Home / 2,251.65-3,108.22-1,367.74

Finding the Fourth Proportional to 2,251.65, 3,108.22 and 1,367.74

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Solution

The fourth proportional to 2,251.65, 3,108.22 and 1,367.74 is: 1,888.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251.65 : 3,108.22 = 1,367.74 : x
  2. Step 2: Convert to fraction form
    2,251.65/3,108.22 = 1,367.74/x
  3. Step 3: Cross multiply
    2,251.65x = 3,108.22 × 1,367.74
  4. Step 4: Simplify right side
    2,251.65x = 4,251,224.70
  5. Step 5: Solve for x
    x = 4,251,224.70/2,251.65
  6. Step 6: Final answer
    x = 1,888.05

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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.