Home / 3,590.19-5,382.02-1,281.15

Finding the Fourth Proportional to 3,590.19, 5,382.02 and 1,281.15

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Solution

The fourth proportional to 3,590.19, 5,382.02 and 1,281.15 is: 1,920.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,590.19 : 5,382.02 = 1,281.15 : x
  2. Step 2: Convert to fraction form
    3,590.19/5,382.02 = 1,281.15/x
  3. Step 3: Cross multiply
    3,590.19x = 5,382.02 × 1,281.15
  4. Step 4: Simplify right side
    3,590.19x = 6,895,168.52
  5. Step 5: Solve for x
    x = 6,895,168.52/3,590.19
  6. Step 6: Final answer
    x = 1,920.56

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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.