Home / 3,700.38-5,550.70-1,619.32

Finding the Fourth Proportional to 3,700.38, 5,550.70 and 1,619.32

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Solution

The fourth proportional to 3,700.38, 5,550.70 and 1,619.32 is: 2,429.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,700.38 : 5,550.70 = 1,619.32 : x
  2. Step 2: Convert to fraction form
    3,700.38/5,550.70 = 1,619.32/x
  3. Step 3: Cross multiply
    3,700.38x = 5,550.70 × 1,619.32
  4. Step 4: Simplify right side
    3,700.38x = 8,988,359.52
  5. Step 5: Solve for x
    x = 8,988,359.52/3,700.38
  6. Step 6: Final answer
    x = 2,429.04

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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.