Home / 3,061.78-4,226.52-2,274.46

Finding the Fourth Proportional to 3,061.78, 4,226.52 and 2,274.46

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Solution

The fourth proportional to 3,061.78, 4,226.52 and 2,274.46 is: 3,139.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,061.78 : 4,226.52 = 2,274.46 : x
  2. Step 2: Convert to fraction form
    3,061.78/4,226.52 = 2,274.46/x
  3. Step 3: Cross multiply
    3,061.78x = 4,226.52 × 2,274.46
  4. Step 4: Simplify right side
    3,061.78x = 9,613,050.68
  5. Step 5: Solve for x
    x = 9,613,050.68/3,061.78
  6. Step 6: Final answer
    x = 3,139.69

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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.