Home / 2,959.03-4,082.16-2,171.71

Finding the Fourth Proportional to 2,959.03, 4,082.16 and 2,171.71

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Solution

The fourth proportional to 2,959.03, 4,082.16 and 2,171.71 is: 2,996.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,959.03 : 4,082.16 = 2,171.71 : x
  2. Step 2: Convert to fraction form
    2,959.03/4,082.16 = 2,171.71/x
  3. Step 3: Cross multiply
    2,959.03x = 4,082.16 × 2,171.71
  4. Step 4: Simplify right side
    2,959.03x = 8,865,267.69
  5. Step 5: Solve for x
    x = 8,865,267.69/2,959.03
  6. Step 6: Final answer
    x = 2,996.00

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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.