Home / 1,264.06-1,896.27-398.17

Finding the Fourth Proportional to 1,264.06, 1,896.27 and 398.17

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Solution

The fourth proportional to 1,264.06, 1,896.27 and 398.17 is: 597.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264.06 : 1,896.27 = 398.17 : x
  2. Step 2: Convert to fraction form
    1,264.06/1,896.27 = 398.17/x
  3. Step 3: Cross multiply
    1,264.06x = 1,896.27 × 398.17
  4. Step 4: Simplify right side
    1,264.06x = 755,037.83
  5. Step 5: Solve for x
    x = 755,037.83/1,264.06
  6. Step 6: Final answer
    x = 597.31

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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.