Home / 2,811.30-4,204.80-2,373.90

Finding the Fourth Proportional to 2,811.30, 4,204.80 and 2,373.90

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Solution

The fourth proportional to 2,811.30, 4,204.80 and 2,373.90 is: 3,550.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,811.30 : 4,204.80 = 2,373.90 : x
  2. Step 2: Convert to fraction form
    2,811.30/4,204.80 = 2,373.90/x
  3. Step 3: Cross multiply
    2,811.30x = 4,204.80 × 2,373.90
  4. Step 4: Simplify right side
    2,811.30x = 9,981,774.72
  5. Step 5: Solve for x
    x = 9,981,774.72/2,811.30
  6. Step 6: Final answer
    x = 3,550.59

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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.