Home / 2,864.30-3,952.80-1,802.66

Finding the Fourth Proportional to 2,864.30, 3,952.80 and 1,802.66

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Solution

The fourth proportional to 2,864.30, 3,952.80 and 1,802.66 is: 2,487.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,864.30 : 3,952.80 = 1,802.66 : x
  2. Step 2: Convert to fraction form
    2,864.30/3,952.80 = 1,802.66/x
  3. Step 3: Cross multiply
    2,864.30x = 3,952.80 × 1,802.66
  4. Step 4: Simplify right side
    2,864.30x = 7,125,534.68
  5. Step 5: Solve for x
    x = 7,125,534.68/2,864.30
  6. Step 6: Final answer
    x = 2,487.71

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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.