Home / 3,116.68-4,297.52-2,122.54

Finding the Fourth Proportional to 3,116.68, 4,297.52 and 2,122.54

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Solution

The fourth proportional to 3,116.68, 4,297.52 and 2,122.54 is: 2,926.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116.68 : 4,297.52 = 2,122.54 : x
  2. Step 2: Convert to fraction form
    3,116.68/4,297.52 = 2,122.54/x
  3. Step 3: Cross multiply
    3,116.68x = 4,297.52 × 2,122.54
  4. Step 4: Simplify right side
    3,116.68x = 9,121,658.10
  5. Step 5: Solve for x
    x = 9,121,658.10/3,116.68
  6. Step 6: Final answer
    x = 2,926.72

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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.