Home / 1,531.06-2,295.19-556.47

Finding the Fourth Proportional to 1,531.06, 2,295.19 and 556.47

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Solution

The fourth proportional to 1,531.06, 2,295.19 and 556.47 is: 834.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531.06 : 2,295.19 = 556.47 : x
  2. Step 2: Convert to fraction form
    1,531.06/2,295.19 = 556.47/x
  3. Step 3: Cross multiply
    1,531.06x = 2,295.19 × 556.47
  4. Step 4: Simplify right side
    1,531.06x = 1,277,204.38
  5. Step 5: Solve for x
    x = 1,277,204.38/1,531.06
  6. Step 6: Final answer
    x = 834.20

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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.