Home / 1,324.65-1,827.56-1,126.17

Finding the Fourth Proportional to 1,324.65, 1,827.56 and 1,126.17

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Solution

The fourth proportional to 1,324.65, 1,827.56 and 1,126.17 is: 1,553.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324.65 : 1,827.56 = 1,126.17 : x
  2. Step 2: Convert to fraction form
    1,324.65/1,827.56 = 1,126.17/x
  3. Step 3: Cross multiply
    1,324.65x = 1,827.56 × 1,126.17
  4. Step 4: Simplify right side
    1,324.65x = 2,058,137.61
  5. Step 5: Solve for x
    x = 2,058,137.61/1,324.65
  6. Step 6: Final answer
    x = 1,553.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.