Home / 1,454.16-2,180.12-723.17

Finding the Fourth Proportional to 1,454.16, 2,180.12 and 723.17

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Solution

The fourth proportional to 1,454.16, 2,180.12 and 723.17 is: 1,084.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454.16 : 2,180.12 = 723.17 : x
  2. Step 2: Convert to fraction form
    1,454.16/2,180.12 = 723.17/x
  3. Step 3: Cross multiply
    1,454.16x = 2,180.12 × 723.17
  4. Step 4: Simplify right side
    1,454.16x = 1,576,582.86
  5. Step 5: Solve for x
    x = 1,576,582.86/1,454.16
  6. Step 6: Final answer
    x = 1,084.19

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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.