Home / 1,242.03-1,863.51-584.11

Finding the Fourth Proportional to 1,242.03, 1,863.51 and 584.11

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Solution

The fourth proportional to 1,242.03, 1,863.51 and 584.11 is: 876.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242.03 : 1,863.51 = 584.11 : x
  2. Step 2: Convert to fraction form
    1,242.03/1,863.51 = 584.11/x
  3. Step 3: Cross multiply
    1,242.03x = 1,863.51 × 584.11
  4. Step 4: Simplify right side
    1,242.03x = 1,088,494.97
  5. Step 5: Solve for x
    x = 1,088,494.97/1,242.03
  6. Step 6: Final answer
    x = 876.38

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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.