Home / 2,974.12-4,104.24-1,926.16

Finding the Fourth Proportional to 2,974.12, 4,104.24 and 1,926.16

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Solution

The fourth proportional to 2,974.12, 4,104.24 and 1,926.16 is: 2,658.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,974.12 : 4,104.24 = 1,926.16 : x
  2. Step 2: Convert to fraction form
    2,974.12/4,104.24 = 1,926.16/x
  3. Step 3: Cross multiply
    2,974.12x = 4,104.24 × 1,926.16
  4. Step 4: Simplify right side
    2,974.12x = 7,905,422.92
  5. Step 5: Solve for x
    x = 7,905,422.92/2,974.12
  6. Step 6: Final answer
    x = 2,658.07

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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.