Home / 1,425.53-1,961.07-1,162.97

Finding the Fourth Proportional to 1,425.53, 1,961.07 and 1,162.97

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Solution

The fourth proportional to 1,425.53, 1,961.07 and 1,162.97 is: 1,599.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425.53 : 1,961.07 = 1,162.97 : x
  2. Step 2: Convert to fraction form
    1,425.53/1,961.07 = 1,162.97/x
  3. Step 3: Cross multiply
    1,425.53x = 1,961.07 × 1,162.97
  4. Step 4: Simplify right side
    1,425.53x = 2,280,659.76
  5. Step 5: Solve for x
    x = 2,280,659.76/1,425.53
  6. Step 6: Final answer
    x = 1,599.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.