Home / 3,261.62-4,888.17-1,312.76

Finding the Fourth Proportional to 3,261.62, 4,888.17 and 1,312.76

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Solution

The fourth proportional to 3,261.62, 4,888.17 and 1,312.76 is: 1,967.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261.62 : 4,888.17 = 1,312.76 : x
  2. Step 2: Convert to fraction form
    3,261.62/4,888.17 = 1,312.76/x
  3. Step 3: Cross multiply
    3,261.62x = 4,888.17 × 1,312.76
  4. Step 4: Simplify right side
    3,261.62x = 6,416,969.61
  5. Step 5: Solve for x
    x = 6,416,969.61/3,261.62
  6. Step 6: Final answer
    x = 1,967.42

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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.