Home / 3,442.11-4,748.56-2,115.33

Finding the Fourth Proportional to 3,442.11, 4,748.56 and 2,115.33

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Solution

The fourth proportional to 3,442.11, 4,748.56 and 2,115.33 is: 2,918.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,442.11 : 4,748.56 = 2,115.33 : x
  2. Step 2: Convert to fraction form
    3,442.11/4,748.56 = 2,115.33/x
  3. Step 3: Cross multiply
    3,442.11x = 4,748.56 × 2,115.33
  4. Step 4: Simplify right side
    3,442.11x = 10,044,766.14
  5. Step 5: Solve for x
    x = 10,044,766.14/3,442.11
  6. Step 6: Final answer
    x = 2,918.20

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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.