Home / 3,974.12-5,959.96-2,749.40

Finding the Fourth Proportional to 3,974.12, 5,959.96 and 2,749.40

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Solution

The fourth proportional to 3,974.12, 5,959.96 and 2,749.40 is: 4,123.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,974.12 : 5,959.96 = 2,749.40 : x
  2. Step 2: Convert to fraction form
    3,974.12/5,959.96 = 2,749.40/x
  3. Step 3: Cross multiply
    3,974.12x = 5,959.96 × 2,749.40
  4. Step 4: Simplify right side
    3,974.12x = 16,386,314.02
  5. Step 5: Solve for x
    x = 16,386,314.02/3,974.12
  6. Step 6: Final answer
    x = 4,123.26

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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.