Home / 2,278.15-3,412.97-1,301.29

Finding the Fourth Proportional to 2,278.15, 3,412.97 and 1,301.29

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Solution

The fourth proportional to 2,278.15, 3,412.97 and 1,301.29 is: 1,949.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278.15 : 3,412.97 = 1,301.29 : x
  2. Step 2: Convert to fraction form
    2,278.15/3,412.97 = 1,301.29/x
  3. Step 3: Cross multiply
    2,278.15x = 3,412.97 × 1,301.29
  4. Step 4: Simplify right side
    2,278.15x = 4,441,263.73
  5. Step 5: Solve for x
    x = 4,441,263.73/2,278.15
  6. Step 6: Final answer
    x = 1,949.50

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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.