Home / 3,717.60-5,140.20-3,250.74

Finding the Fourth Proportional to 3,717.60, 5,140.20 and 3,250.74

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Solution

The fourth proportional to 3,717.60, 5,140.20 and 3,250.74 is: 4,494.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,717.60 : 5,140.20 = 3,250.74 : x
  2. Step 2: Convert to fraction form
    3,717.60/5,140.20 = 3,250.74/x
  3. Step 3: Cross multiply
    3,717.60x = 5,140.20 × 3,250.74
  4. Step 4: Simplify right side
    3,717.60x = 16,709,453.75
  5. Step 5: Solve for x
    x = 16,709,453.75/3,717.60
  6. Step 6: Final answer
    x = 4,494.69

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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.