Home / 2,251.42-3,377.10-1,865.86

Finding the Fourth Proportional to 2,251.42, 3,377.10 and 1,865.86

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Solution

The fourth proportional to 2,251.42, 3,377.10 and 1,865.86 is: 2,798.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251.42 : 3,377.10 = 1,865.86 : x
  2. Step 2: Convert to fraction form
    2,251.42/3,377.10 = 1,865.86/x
  3. Step 3: Cross multiply
    2,251.42x = 3,377.10 × 1,865.86
  4. Step 4: Simplify right side
    2,251.42x = 6,301,195.81
  5. Step 5: Solve for x
    x = 6,301,195.81/2,251.42
  6. Step 6: Final answer
    x = 2,798.77

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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.