Home / 2,681.28-4,022.57-832.66

Finding the Fourth Proportional to 2,681.28, 4,022.57 and 832.66

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Solution

The fourth proportional to 2,681.28, 4,022.57 and 832.66 is: 1,249.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,681.28 : 4,022.57 = 832.66 : x
  2. Step 2: Convert to fraction form
    2,681.28/4,022.57 = 832.66/x
  3. Step 3: Cross multiply
    2,681.28x = 4,022.57 × 832.66
  4. Step 4: Simplify right side
    2,681.28x = 3,349,425.16
  5. Step 5: Solve for x
    x = 3,349,425.16/2,681.28
  6. Step 6: Final answer
    x = 1,249.19

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1.5x scale

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.