Home / 1,553.72-2,341.98-1,531.85

Finding the Fourth Proportional to 1,553.72, 2,341.98 and 1,531.85

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Solution

The fourth proportional to 1,553.72, 2,341.98 and 1,531.85 is: 2,309.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553.72 : 2,341.98 = 1,531.85 : x
  2. Step 2: Convert to fraction form
    1,553.72/2,341.98 = 1,531.85/x
  3. Step 3: Cross multiply
    1,553.72x = 2,341.98 × 1,531.85
  4. Step 4: Simplify right side
    1,553.72x = 3,587,550.35
  5. Step 5: Solve for x
    x = 3,587,550.35/1,553.72
  6. Step 6: Final answer
    x = 2,309.01

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.