Home / 1,454.15-2,182.85-723.53

Finding the Fourth Proportional to 1,454.15, 2,182.85 and 723.53

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Solution

The fourth proportional to 1,454.15, 2,182.85 and 723.53 is: 1,086.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454.15 : 2,182.85 = 723.53 : x
  2. Step 2: Convert to fraction form
    1,454.15/2,182.85 = 723.53/x
  3. Step 3: Cross multiply
    1,454.15x = 2,182.85 × 723.53
  4. Step 4: Simplify right side
    1,454.15x = 1,579,357.46
  5. Step 5: Solve for x
    x = 1,579,357.46/1,454.15
  6. Step 6: Final answer
    x = 1,086.10

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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.