Home / 3,966.79-5,948.98-1,657.75

Finding the Fourth Proportional to 3,966.79, 5,948.98 and 1,657.75

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Solution

The fourth proportional to 3,966.79, 5,948.98 and 1,657.75 is: 2,486.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,966.79 : 5,948.98 = 1,657.75 : x
  2. Step 2: Convert to fraction form
    3,966.79/5,948.98 = 1,657.75/x
  3. Step 3: Cross multiply
    3,966.79x = 5,948.98 × 1,657.75
  4. Step 4: Simplify right side
    3,966.79x = 9,861,921.60
  5. Step 5: Solve for x
    x = 9,861,921.60/3,966.79
  6. Step 6: Final answer
    x = 2,486.12

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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.