Home / 3,132.12-4,320.67-2,541.62

Finding the Fourth Proportional to 3,132.12, 4,320.67 and 2,541.62

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Solution

The fourth proportional to 3,132.12, 4,320.67 and 2,541.62 is: 3,506.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.12 : 4,320.67 = 2,541.62 : x
  2. Step 2: Convert to fraction form
    3,132.12/4,320.67 = 2,541.62/x
  3. Step 3: Cross multiply
    3,132.12x = 4,320.67 × 2,541.62
  4. Step 4: Simplify right side
    3,132.12x = 10,981,501.29
  5. Step 5: Solve for x
    x = 10,981,501.29/3,132.12
  6. Step 6: Final answer
    x = 3,506.09

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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.