Home / 1,407.73-2,114.33-1,147.92

Finding the Fourth Proportional to 1,407.73, 2,114.33 and 1,147.92

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Solution

The fourth proportional to 1,407.73, 2,114.33 and 1,147.92 is: 1,724.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407.73 : 2,114.33 = 1,147.92 : x
  2. Step 2: Convert to fraction form
    1,407.73/2,114.33 = 1,147.92/x
  3. Step 3: Cross multiply
    1,407.73x = 2,114.33 × 1,147.92
  4. Step 4: Simplify right side
    1,407.73x = 2,427,081.69
  5. Step 5: Solve for x
    x = 2,427,081.69/1,407.73
  6. Step 6: Final answer
    x = 1,724.11

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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.