Home / 3,713.90-5,126.28-2,143.04

Finding the Fourth Proportional to 3,713.90, 5,126.28 and 2,143.04

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Solution

The fourth proportional to 3,713.90, 5,126.28 and 2,143.04 is: 2,958.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,713.90 : 5,126.28 = 2,143.04 : x
  2. Step 2: Convert to fraction form
    3,713.90/5,126.28 = 2,143.04/x
  3. Step 3: Cross multiply
    3,713.90x = 5,126.28 × 2,143.04
  4. Step 4: Simplify right side
    3,713.90x = 10,985,823.09
  5. Step 5: Solve for x
    x = 10,985,823.09/3,713.90
  6. Step 6: Final answer
    x = 2,958.03

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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.