Home / 3,711.70-5,117.80-2,963.26

Finding the Fourth Proportional to 3,711.70, 5,117.80 and 2,963.26

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Solution

The fourth proportional to 3,711.70, 5,117.80 and 2,963.26 is: 4,085.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,711.70 : 5,117.80 = 2,963.26 : x
  2. Step 2: Convert to fraction form
    3,711.70/5,117.80 = 2,963.26/x
  3. Step 3: Cross multiply
    3,711.70x = 5,117.80 × 2,963.26
  4. Step 4: Simplify right side
    3,711.70x = 15,165,372.03
  5. Step 5: Solve for x
    x = 15,165,372.03/3,711.70
  6. Step 6: Final answer
    x = 4,085.83

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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.