Home / 3,389.22-5,086.38-1,442.76

Finding the Fourth Proportional to 3,389.22, 5,086.38 and 1,442.76

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Solution

The fourth proportional to 3,389.22, 5,086.38 and 1,442.76 is: 2,165.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,389.22 : 5,086.38 = 1,442.76 : x
  2. Step 2: Convert to fraction form
    3,389.22/5,086.38 = 1,442.76/x
  3. Step 3: Cross multiply
    3,389.22x = 5,086.38 × 1,442.76
  4. Step 4: Simplify right side
    3,389.22x = 7,338,425.61
  5. Step 5: Solve for x
    x = 7,338,425.61/3,389.22
  6. Step 6: Final answer
    x = 2,165.23

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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.