Home / 1,862.04-2,789.28-1,449.48

Finding the Fourth Proportional to 1,862.04, 2,789.28 and 1,449.48

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Solution

The fourth proportional to 1,862.04, 2,789.28 and 1,449.48 is: 2,171.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,862.04 : 2,789.28 = 1,449.48 : x
  2. Step 2: Convert to fraction form
    1,862.04/2,789.28 = 1,449.48/x
  3. Step 3: Cross multiply
    1,862.04x = 2,789.28 × 1,449.48
  4. Step 4: Simplify right side
    1,862.04x = 4,043,005.57
  5. Step 5: Solve for x
    x = 4,043,005.57/1,862.04
  6. Step 6: Final answer
    x = 2,171.28

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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.