Home / 2,282.07-3,149.13-1,287.44

Finding the Fourth Proportional to 2,282.07, 3,149.13 and 1,287.44

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Solution

The fourth proportional to 2,282.07, 3,149.13 and 1,287.44 is: 1,776.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,282.07 : 3,149.13 = 1,287.44 : x
  2. Step 2: Convert to fraction form
    2,282.07/3,149.13 = 1,287.44/x
  3. Step 3: Cross multiply
    2,282.07x = 3,149.13 × 1,287.44
  4. Step 4: Simplify right side
    2,282.07x = 4,054,327.29
  5. Step 5: Solve for x
    x = 4,054,327.29/2,282.07
  6. Step 6: Final answer
    x = 1,776.60

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1.5x scale

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.