Home / 2,959.09-4,431.57-2,082.49

Finding the Fourth Proportional to 2,959.09, 4,431.57 and 2,082.49

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Solution

The fourth proportional to 2,959.09, 4,431.57 and 2,082.49 is: 3,118.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,959.09 : 4,431.57 = 2,082.49 : x
  2. Step 2: Convert to fraction form
    2,959.09/4,431.57 = 2,082.49/x
  3. Step 3: Cross multiply
    2,959.09x = 4,431.57 × 2,082.49
  4. Step 4: Simplify right side
    2,959.09x = 9,228,700.21
  5. Step 5: Solve for x
    x = 9,228,700.21/2,959.09
  6. Step 6: Final answer
    x = 3,118.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.