Home / 2,251.83-3,379.40-1,818.28

Finding the Fourth Proportional to 2,251.83, 3,379.40 and 1,818.28

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Solution

The fourth proportional to 2,251.83, 3,379.40 and 1,818.28 is: 2,728.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251.83 : 3,379.40 = 1,818.28 : x
  2. Step 2: Convert to fraction form
    2,251.83/3,379.40 = 1,818.28/x
  3. Step 3: Cross multiply
    2,251.83x = 3,379.40 × 1,818.28
  4. Step 4: Simplify right side
    2,251.83x = 6,144,695.43
  5. Step 5: Solve for x
    x = 6,144,695.43/2,251.83
  6. Step 6: Final answer
    x = 2,728.76

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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.