Home / 1,426.44-2,139.45-501.93

Finding the Fourth Proportional to 1,426.44, 2,139.45 and 501.93

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Solution

The fourth proportional to 1,426.44, 2,139.45 and 501.93 is: 752.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426.44 : 2,139.45 = 501.93 : x
  2. Step 2: Convert to fraction form
    1,426.44/2,139.45 = 501.93/x
  3. Step 3: Cross multiply
    1,426.44x = 2,139.45 × 501.93
  4. Step 4: Simplify right side
    1,426.44x = 1,073,854.14
  5. Step 5: Solve for x
    x = 1,073,854.14/1,426.44
  6. Step 6: Final answer
    x = 752.82

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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.