Home / 3,257.72-4,887.49-1,282.13

Finding the Fourth Proportional to 3,257.72, 4,887.49 and 1,282.13

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Solution

The fourth proportional to 3,257.72, 4,887.49 and 1,282.13 is: 1,923.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,257.72 : 4,887.49 = 1,282.13 : x
  2. Step 2: Convert to fraction form
    3,257.72/4,887.49 = 1,282.13/x
  3. Step 3: Cross multiply
    3,257.72x = 4,887.49 × 1,282.13
  4. Step 4: Simplify right side
    3,257.72x = 6,266,401.12
  5. Step 5: Solve for x
    x = 6,266,401.12/3,257.72
  6. Step 6: Final answer
    x = 1,923.55

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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.