Home / 3,590.42-5,385.62-1,125.43

Finding the Fourth Proportional to 3,590.42, 5,385.62 and 1,125.43

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Solution

The fourth proportional to 3,590.42, 5,385.62 and 1,125.43 is: 1,688.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,590.42 : 5,385.62 = 1,125.43 : x
  2. Step 2: Convert to fraction form
    3,590.42/5,385.62 = 1,125.43/x
  3. Step 3: Cross multiply
    3,590.42x = 5,385.62 × 1,125.43
  4. Step 4: Simplify right side
    3,590.42x = 6,061,111.39
  5. Step 5: Solve for x
    x = 6,061,111.39/3,590.42
  6. Step 6: Final answer
    x = 1,688.14

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Similar ratio
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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.