Home / 1,264.10-1,895.73-614.42

Finding the Fourth Proportional to 1,264.10, 1,895.73 and 614.42

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Solution

The fourth proportional to 1,264.10, 1,895.73 and 614.42 is: 921.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264.10 : 1,895.73 = 614.42 : x
  2. Step 2: Convert to fraction form
    1,264.10/1,895.73 = 614.42/x
  3. Step 3: Cross multiply
    1,264.10x = 1,895.73 × 614.42
  4. Step 4: Simplify right side
    1,264.10x = 1,164,774.43
  5. Step 5: Solve for x
    x = 1,164,774.43/1,264.10
  6. Step 6: Final answer
    x = 921.43

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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.