Home / 1,454.21-2,177.43-834.76

Finding the Fourth Proportional to 1,454.21, 2,177.43 and 834.76

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Solution

The fourth proportional to 1,454.21, 2,177.43 and 834.76 is: 1,249.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454.21 : 2,177.43 = 834.76 : x
  2. Step 2: Convert to fraction form
    1,454.21/2,177.43 = 834.76/x
  3. Step 3: Cross multiply
    1,454.21x = 2,177.43 × 834.76
  4. Step 4: Simplify right side
    1,454.21x = 1,817,631.47
  5. Step 5: Solve for x
    x = 1,817,631.47/1,454.21
  6. Step 6: Final answer
    x = 1,249.91

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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.