Home / 3,177.90-4,759.83-1,615.17

Finding the Fourth Proportional to 3,177.90, 4,759.83 and 1,615.17

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Solution

The fourth proportional to 3,177.90, 4,759.83 and 1,615.17 is: 2,419.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.90 : 4,759.83 = 1,615.17 : x
  2. Step 2: Convert to fraction form
    3,177.90/4,759.83 = 1,615.17/x
  3. Step 3: Cross multiply
    3,177.90x = 4,759.83 × 1,615.17
  4. Step 4: Simplify right side
    3,177.90x = 7,687,934.62
  5. Step 5: Solve for x
    x = 7,687,934.62/3,177.90
  6. Step 6: Final answer
    x = 2,419.19

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1.5x scale

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.