Home / 1,553.83-2,331.65-1,433.54

Finding the Fourth Proportional to 1,553.83, 2,331.65 and 1,433.54

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Solution

The fourth proportional to 1,553.83, 2,331.65 and 1,433.54 is: 2,151.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553.83 : 2,331.65 = 1,433.54 : x
  2. Step 2: Convert to fraction form
    1,553.83/2,331.65 = 1,433.54/x
  3. Step 3: Cross multiply
    1,553.83x = 2,331.65 × 1,433.54
  4. Step 4: Simplify right side
    1,553.83x = 3,342,522.95
  5. Step 5: Solve for x
    x = 3,342,522.95/1,553.83
  6. Step 6: Final answer
    x = 2,151.15

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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.