Home / 1,864.15-2,797.03-1,287.97

Finding the Fourth Proportional to 1,864.15, 2,797.03 and 1,287.97

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Solution

The fourth proportional to 1,864.15, 2,797.03 and 1,287.97 is: 1,932.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,864.15 : 2,797.03 = 1,287.97 : x
  2. Step 2: Convert to fraction form
    1,864.15/2,797.03 = 1,287.97/x
  3. Step 3: Cross multiply
    1,864.15x = 2,797.03 × 1,287.97
  4. Step 4: Simplify right side
    1,864.15x = 3,602,490.73
  5. Step 5: Solve for x
    x = 3,602,490.73/1,864.15
  6. Step 6: Final answer
    x = 1,932.51

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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.