Home / 1,531.44-2,296.89-557.28

Finding the Fourth Proportional to 1,531.44, 2,296.89 and 557.28

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Solution

The fourth proportional to 1,531.44, 2,296.89 and 557.28 is: 835.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531.44 : 2,296.89 = 557.28 : x
  2. Step 2: Convert to fraction form
    1,531.44/2,296.89 = 557.28/x
  3. Step 3: Cross multiply
    1,531.44x = 2,296.89 × 557.28
  4. Step 4: Simplify right side
    1,531.44x = 1,280,010.86
  5. Step 5: Solve for x
    x = 1,280,010.86/1,531.44
  6. Step 6: Final answer
    x = 835.82

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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.