Home / 1,282.62-1,924.67-1,272.18

Finding the Fourth Proportional to 1,282.62, 1,924.67 and 1,272.18

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Solution

The fourth proportional to 1,282.62, 1,924.67 and 1,272.18 is: 1,909.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282.62 : 1,924.67 = 1,272.18 : x
  2. Step 2: Convert to fraction form
    1,282.62/1,924.67 = 1,272.18/x
  3. Step 3: Cross multiply
    1,282.62x = 1,924.67 × 1,272.18
  4. Step 4: Simplify right side
    1,282.62x = 2,448,517.87
  5. Step 5: Solve for x
    x = 2,448,517.87/1,282.62
  6. Step 6: Final answer
    x = 1,909.00

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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.