Home / 1,454.34-2,182.26-723.83

Finding the Fourth Proportional to 1,454.34, 2,182.26 and 723.83

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Solution

The fourth proportional to 1,454.34, 2,182.26 and 723.83 is: 1,086.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454.34 : 2,182.26 = 723.83 : x
  2. Step 2: Convert to fraction form
    1,454.34/2,182.26 = 723.83/x
  3. Step 3: Cross multiply
    1,454.34x = 2,182.26 × 723.83
  4. Step 4: Simplify right side
    1,454.34x = 1,579,574.34
  5. Step 5: Solve for x
    x = 1,579,574.34/1,454.34
  6. Step 6: Final answer
    x = 1,086.11

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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.