Home / 2,306.15-3,178.70-1,634.18

Finding the Fourth Proportional to 2,306.15, 3,178.70 and 1,634.18

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Solution

The fourth proportional to 2,306.15, 3,178.70 and 1,634.18 is: 2,252.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,306.15 : 3,178.70 = 1,634.18 : x
  2. Step 2: Convert to fraction form
    2,306.15/3,178.70 = 1,634.18/x
  3. Step 3: Cross multiply
    2,306.15x = 3,178.70 × 1,634.18
  4. Step 4: Simplify right side
    2,306.15x = 5,194,559.80
  5. Step 5: Solve for x
    x = 5,194,559.80/2,306.15
  6. Step 6: Final answer
    x = 2,252.48

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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.