Home / 3,442.82-4,748.98-3,001.78

Finding the Fourth Proportional to 3,442.82, 4,748.98 and 3,001.78

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Solution

The fourth proportional to 3,442.82, 4,748.98 and 3,001.78 is: 4,140.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,442.82 : 4,748.98 = 3,001.78 : x
  2. Step 2: Convert to fraction form
    3,442.82/4,748.98 = 3,001.78/x
  3. Step 3: Cross multiply
    3,442.82x = 4,748.98 × 3,001.78
  4. Step 4: Simplify right side
    3,442.82x = 14,255,354.43
  5. Step 5: Solve for x
    x = 14,255,354.43/3,442.82
  6. Step 6: Final answer
    x = 4,140.60

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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.