Home / 3,890.28-5,842.38-3,733.68

Finding the Fourth Proportional to 3,890.28, 5,842.38 and 3,733.68

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Solution

The fourth proportional to 3,890.28, 5,842.38 and 3,733.68 is: 5,607.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,890.28 : 5,842.38 = 3,733.68 : x
  2. Step 2: Convert to fraction form
    3,890.28/5,842.38 = 3,733.68/x
  3. Step 3: Cross multiply
    3,890.28x = 5,842.38 × 3,733.68
  4. Step 4: Simplify right side
    3,890.28x = 21,813,577.36
  5. Step 5: Solve for x
    x = 21,813,577.36/3,890.28
  6. Step 6: Final answer
    x = 5,607.20

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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.