Home / 1,270.28-1,894.79-1,062.52

Finding the Fourth Proportional to 1,270.28, 1,894.79 and 1,062.52

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Solution

The fourth proportional to 1,270.28, 1,894.79 and 1,062.52 is: 1,584.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270.28 : 1,894.79 = 1,062.52 : x
  2. Step 2: Convert to fraction form
    1,270.28/1,894.79 = 1,062.52/x
  3. Step 3: Cross multiply
    1,270.28x = 1,894.79 × 1,062.52
  4. Step 4: Simplify right side
    1,270.28x = 2,013,250.19
  5. Step 5: Solve for x
    x = 2,013,250.19/1,270.28
  6. Step 6: Final answer
    x = 1,584.88

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.