Home / 3,132.88-4,324.08-1,806.82

Finding the Fourth Proportional to 3,132.88, 4,324.08 and 1,806.82

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Solution

The fourth proportional to 3,132.88, 4,324.08 and 1,806.82 is: 2,493.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.88 : 4,324.08 = 1,806.82 : x
  2. Step 2: Convert to fraction form
    3,132.88/4,324.08 = 1,806.82/x
  3. Step 3: Cross multiply
    3,132.88x = 4,324.08 × 1,806.82
  4. Step 4: Simplify right side
    3,132.88x = 7,812,834.23
  5. Step 5: Solve for x
    x = 7,812,834.23/3,132.88
  6. Step 6: Final answer
    x = 2,493.82

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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.