Home / 3,538.60-5,306.46-1,590.28

Finding the Fourth Proportional to 3,538.60, 5,306.46 and 1,590.28

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Solution

The fourth proportional to 3,538.60, 5,306.46 and 1,590.28 is: 2,384.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,538.60 : 5,306.46 = 1,590.28 : x
  2. Step 2: Convert to fraction form
    3,538.60/5,306.46 = 1,590.28/x
  3. Step 3: Cross multiply
    3,538.60x = 5,306.46 × 1,590.28
  4. Step 4: Simplify right side
    3,538.60x = 8,438,757.21
  5. Step 5: Solve for x
    x = 8,438,757.21/3,538.60
  6. Step 6: Final answer
    x = 2,384.77

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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.