Home / 1,264.37-1,895.33-398.07

Finding the Fourth Proportional to 1,264.37, 1,895.33 and 398.07

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Solution

The fourth proportional to 1,264.37, 1,895.33 and 398.07 is: 596.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264.37 : 1,895.33 = 398.07 : x
  2. Step 2: Convert to fraction form
    1,264.37/1,895.33 = 398.07/x
  3. Step 3: Cross multiply
    1,264.37x = 1,895.33 × 398.07
  4. Step 4: Simplify right side
    1,264.37x = 754,472.02
  5. Step 5: Solve for x
    x = 754,472.02/1,264.37
  6. Step 6: Final answer
    x = 596.72

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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.