Home / 3,307.55-4,961.44-1,663.20

Finding the Fourth Proportional to 3,307.55, 4,961.44 and 1,663.20

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Solution

The fourth proportional to 3,307.55, 4,961.44 and 1,663.20 is: 2,494.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,307.55 : 4,961.44 = 1,663.20 : x
  2. Step 2: Convert to fraction form
    3,307.55/4,961.44 = 1,663.20/x
  3. Step 3: Cross multiply
    3,307.55x = 4,961.44 × 1,663.20
  4. Step 4: Simplify right side
    3,307.55x = 8,251,883.57
  5. Step 5: Solve for x
    x = 8,251,883.57/3,307.55
  6. Step 6: Final answer
    x = 2,494.86

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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.