Home / 3,708.75-5,118.08-2,216.73

Finding the Fourth Proportional to 3,708.75, 5,118.08 and 2,216.73

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Solution

The fourth proportional to 3,708.75, 5,118.08 and 2,216.73 is: 3,059.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,708.75 : 5,118.08 = 2,216.73 : x
  2. Step 2: Convert to fraction form
    3,708.75/5,118.08 = 2,216.73/x
  3. Step 3: Cross multiply
    3,708.75x = 5,118.08 × 2,216.73
  4. Step 4: Simplify right side
    3,708.75x = 11,345,401.48
  5. Step 5: Solve for x
    x = 11,345,401.48/3,708.75
  6. Step 6: Final answer
    x = 3,059.09

Related Problems

Find fourth proportional to 1,854.38, 2,559.04 and 1,108.37
Half scale
Find fourth proportional to 7,417.50, 10,236.16 and 4,433.46
Double scale
Find fourth proportional to 3,709.75, 5,119.46 and 2,217.73
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.