Home / 1,456.23-2,006.07-1,082.57

Finding the Fourth Proportional to 1,456.23, 2,006.07 and 1,082.57

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Solution

The fourth proportional to 1,456.23, 2,006.07 and 1,082.57 is: 1,491.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456.23 : 2,006.07 = 1,082.57 : x
  2. Step 2: Convert to fraction form
    1,456.23/2,006.07 = 1,082.57/x
  3. Step 3: Cross multiply
    1,456.23x = 2,006.07 × 1,082.57
  4. Step 4: Simplify right side
    1,456.23x = 2,171,701.17
  5. Step 5: Solve for x
    x = 2,171,701.17/1,456.23
  6. Step 6: Final answer
    x = 1,491.32

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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.