Home / 1,531.90-2,295.83-557.07

Finding the Fourth Proportional to 1,531.90, 2,295.83 and 557.07

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Solution

The fourth proportional to 1,531.90, 2,295.83 and 557.07 is: 834.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531.90 : 2,295.83 = 557.07 : x
  2. Step 2: Convert to fraction form
    1,531.90/2,295.83 = 557.07/x
  3. Step 3: Cross multiply
    1,531.90x = 2,295.83 × 557.07
  4. Step 4: Simplify right side
    1,531.90x = 1,278,927.67
  5. Step 5: Solve for x
    x = 1,278,927.67/1,531.90
  6. Step 6: Final answer
    x = 834.86

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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.