Home / 3,590.57-5,382.59-1,281.53

Finding the Fourth Proportional to 3,590.57, 5,382.59 and 1,281.53

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Solution

The fourth proportional to 3,590.57, 5,382.59 and 1,281.53 is: 1,921.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,590.57 : 5,382.59 = 1,281.53 : x
  2. Step 2: Convert to fraction form
    3,590.57/5,382.59 = 1,281.53/x
  3. Step 3: Cross multiply
    3,590.57x = 5,382.59 × 1,281.53
  4. Step 4: Simplify right side
    3,590.57x = 6,897,917.24
  5. Step 5: Solve for x
    x = 6,897,917.24/3,590.57
  6. Step 6: Final answer
    x = 1,921.12

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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.