Home / 3,713.13-5,123.88-2,141.19

Finding the Fourth Proportional to 3,713.13, 5,123.88 and 2,141.19

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Solution

The fourth proportional to 3,713.13, 5,123.88 and 2,141.19 is: 2,954.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,713.13 : 5,123.88 = 2,141.19 : x
  2. Step 2: Convert to fraction form
    3,713.13/5,123.88 = 2,141.19/x
  3. Step 3: Cross multiply
    3,713.13x = 5,123.88 × 2,141.19
  4. Step 4: Simplify right side
    3,713.13x = 10,971,200.62
  5. Step 5: Solve for x
    x = 10,971,200.62/3,713.13
  6. Step 6: Final answer
    x = 2,954.70

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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.