Home / 1,531.24-2,296.86-557.32

Finding the Fourth Proportional to 1,531.24, 2,296.86 and 557.32

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Solution

The fourth proportional to 1,531.24, 2,296.86 and 557.32 is: 835.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531.24 : 2,296.86 = 557.32 : x
  2. Step 2: Convert to fraction form
    1,531.24/2,296.86 = 557.32/x
  3. Step 3: Cross multiply
    1,531.24x = 2,296.86 × 557.32
  4. Step 4: Simplify right side
    1,531.24x = 1,280,086.02
  5. Step 5: Solve for x
    x = 1,280,086.02/1,531.24
  6. Step 6: Final answer
    x = 835.98

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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.