Home / 1,434.07-2,150.55-496.73

Finding the Fourth Proportional to 1,434.07, 2,150.55 and 496.73

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Solution

The fourth proportional to 1,434.07, 2,150.55 and 496.73 is: 744.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434.07 : 2,150.55 = 496.73 : x
  2. Step 2: Convert to fraction form
    1,434.07/2,150.55 = 496.73/x
  3. Step 3: Cross multiply
    1,434.07x = 2,150.55 × 496.73
  4. Step 4: Simplify right side
    1,434.07x = 1,068,248.08
  5. Step 5: Solve for x
    x = 1,068,248.08/1,434.07
  6. Step 6: Final answer
    x = 744.91

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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.