Home / 1,414.02-2,119.26-633.12

Finding the Fourth Proportional to 1,414.02, 2,119.26 and 633.12

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Solution

The fourth proportional to 1,414.02, 2,119.26 and 633.12 is: 948.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,414.02 : 2,119.26 = 633.12 : x
  2. Step 2: Convert to fraction form
    1,414.02/2,119.26 = 633.12/x
  3. Step 3: Cross multiply
    1,414.02x = 2,119.26 × 633.12
  4. Step 4: Simplify right side
    1,414.02x = 1,341,745.89
  5. Step 5: Solve for x
    x = 1,341,745.89/1,414.02
  6. Step 6: Final answer
    x = 948.89

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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.