Home / 1,872.04-2,583.24-1,086.13

Finding the Fourth Proportional to 1,872.04, 2,583.24 and 1,086.13

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Solution

The fourth proportional to 1,872.04, 2,583.24 and 1,086.13 is: 1,498.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872.04 : 2,583.24 = 1,086.13 : x
  2. Step 2: Convert to fraction form
    1,872.04/2,583.24 = 1,086.13/x
  3. Step 3: Cross multiply
    1,872.04x = 2,583.24 × 1,086.13
  4. Step 4: Simplify right side
    1,872.04x = 2,805,734.46
  5. Step 5: Solve for x
    x = 2,805,734.46/1,872.04
  6. Step 6: Final answer
    x = 1,498.76

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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.