Home / 3,708.55-5,117.87-2,216.53

Finding the Fourth Proportional to 3,708.55, 5,117.87 and 2,216.53

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Solution

The fourth proportional to 3,708.55, 5,117.87 and 2,216.53 is: 3,058.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,708.55 : 5,117.87 = 2,216.53 : x
  2. Step 2: Convert to fraction form
    3,708.55/5,117.87 = 2,216.53/x
  3. Step 3: Cross multiply
    3,708.55x = 5,117.87 × 2,216.53
  4. Step 4: Simplify right side
    3,708.55x = 11,343,875.72
  5. Step 5: Solve for x
    x = 11,343,875.72/3,708.55
  6. Step 6: Final answer
    x = 3,058.85

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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.