Home / 2,583.52-3,872.40-1,284.16

Finding the Fourth Proportional to 2,583.52, 3,872.40 and 1,284.16

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Solution

The fourth proportional to 2,583.52, 3,872.40 and 1,284.16 is: 1,924.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,583.52 : 3,872.40 = 1,284.16 : x
  2. Step 2: Convert to fraction form
    2,583.52/3,872.40 = 1,284.16/x
  3. Step 3: Cross multiply
    2,583.52x = 3,872.40 × 1,284.16
  4. Step 4: Simplify right side
    2,583.52x = 4,972,781.18
  5. Step 5: Solve for x
    x = 4,972,781.18/2,583.52
  6. Step 6: Final answer
    x = 1,924.81

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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.