Home / 3,882.93-5,358.56-2,114.57

Finding the Fourth Proportional to 3,882.93, 5,358.56 and 2,114.57

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Solution

The fourth proportional to 3,882.93, 5,358.56 and 2,114.57 is: 2,918.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,882.93 : 5,358.56 = 2,114.57 : x
  2. Step 2: Convert to fraction form
    3,882.93/5,358.56 = 2,114.57/x
  3. Step 3: Cross multiply
    3,882.93x = 5,358.56 × 2,114.57
  4. Step 4: Simplify right side
    3,882.93x = 11,331,012.85
  5. Step 5: Solve for x
    x = 11,331,012.85/3,882.93
  6. Step 6: Final answer
    x = 2,918.16

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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.