Home / 3,167.96-4,753.66-1,320.36

Finding the Fourth Proportional to 3,167.96, 4,753.66 and 1,320.36

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Solution

The fourth proportional to 3,167.96, 4,753.66 and 1,320.36 is: 1,981.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167.96 : 4,753.66 = 1,320.36 : x
  2. Step 2: Convert to fraction form
    3,167.96/4,753.66 = 1,320.36/x
  3. Step 3: Cross multiply
    3,167.96x = 4,753.66 × 1,320.36
  4. Step 4: Simplify right side
    3,167.96x = 6,276,542.52
  5. Step 5: Solve for x
    x = 6,276,542.52/3,167.96
  6. Step 6: Final answer
    x = 1,981.26

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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.