Home / 3,117.46-4,301.75-1,791.59

Finding the Fourth Proportional to 3,117.46, 4,301.75 and 1,791.59

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Solution

The fourth proportional to 3,117.46, 4,301.75 and 1,791.59 is: 2,472.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.46 : 4,301.75 = 1,791.59 : x
  2. Step 2: Convert to fraction form
    3,117.46/4,301.75 = 1,791.59/x
  3. Step 3: Cross multiply
    3,117.46x = 4,301.75 × 1,791.59
  4. Step 4: Simplify right side
    3,117.46x = 7,706,978.95
  5. Step 5: Solve for x
    x = 7,706,978.95/3,117.46
  6. Step 6: Final answer
    x = 2,472.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.