Home / 3,477.85-5,221.34-2,074.84

Finding the Fourth Proportional to 3,477.85, 5,221.34 and 2,074.84

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Solution

The fourth proportional to 3,477.85, 5,221.34 and 2,074.84 is: 3,114.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,477.85 : 5,221.34 = 2,074.84 : x
  2. Step 2: Convert to fraction form
    3,477.85/5,221.34 = 2,074.84/x
  3. Step 3: Cross multiply
    3,477.85x = 5,221.34 × 2,074.84
  4. Step 4: Simplify right side
    3,477.85x = 10,833,445.09
  5. Step 5: Solve for x
    x = 10,833,445.09/3,477.85
  6. Step 6: Final answer
    x = 3,114.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.