Home / 1,555.26-2,332.82-581.29

Finding the Fourth Proportional to 1,555.26, 2,332.82 and 581.29

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Solution

The fourth proportional to 1,555.26, 2,332.82 and 581.29 is: 871.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555.26 : 2,332.82 = 581.29 : x
  2. Step 2: Convert to fraction form
    1,555.26/2,332.82 = 581.29/x
  3. Step 3: Cross multiply
    1,555.26x = 2,332.82 × 581.29
  4. Step 4: Simplify right side
    1,555.26x = 1,356,044.94
  5. Step 5: Solve for x
    x = 1,356,044.94/1,555.26
  6. Step 6: Final answer
    x = 871.91

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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.