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Finding the Fourth Proportional to 1,254.23, 1,875.87 and 732.99

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Solution

The fourth proportional to 1,254.23, 1,875.87 and 732.99 is: 1,096.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254.23 : 1,875.87 = 732.99 : x
  2. Step 2: Convert to fraction form
    1,254.23/1,875.87 = 732.99/x
  3. Step 3: Cross multiply
    1,254.23x = 1,875.87 × 732.99
  4. Step 4: Simplify right side
    1,254.23x = 1,374,993.95
  5. Step 5: Solve for x
    x = 1,374,993.95/1,254.23
  6. Step 6: Final answer
    x = 1,096.29

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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.