Home / 1,476.31-2,214.60-489.13

Finding the Fourth Proportional to 1,476.31, 2,214.60 and 489.13

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Solution

The fourth proportional to 1,476.31, 2,214.60 and 489.13 is: 733.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,476.31 : 2,214.60 = 489.13 : x
  2. Step 2: Convert to fraction form
    1,476.31/2,214.60 = 489.13/x
  3. Step 3: Cross multiply
    1,476.31x = 2,214.60 × 489.13
  4. Step 4: Simplify right side
    1,476.31x = 1,083,213.78
  5. Step 5: Solve for x
    x = 1,083,213.78/1,476.31
  6. Step 6: Final answer
    x = 733.73

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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.