Home / 3,177.84-4,766.76-1,445.25

Finding the Fourth Proportional to 3,177.84, 4,766.76 and 1,445.25

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Solution

The fourth proportional to 3,177.84, 4,766.76 and 1,445.25 is: 2,167.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.84 : 4,766.76 = 1,445.25 : x
  2. Step 2: Convert to fraction form
    3,177.84/4,766.76 = 1,445.25/x
  3. Step 3: Cross multiply
    3,177.84x = 4,766.76 × 1,445.25
  4. Step 4: Simplify right side
    3,177.84x = 6,889,159.89
  5. Step 5: Solve for x
    x = 6,889,159.89/3,177.84
  6. Step 6: Final answer
    x = 2,167.88

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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.