Home / 2,207.76-3,047.44-1,423.92

Finding the Fourth Proportional to 2,207.76, 3,047.44 and 1,423.92

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Solution

The fourth proportional to 2,207.76, 3,047.44 and 1,423.92 is: 1,965.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,207.76 : 3,047.44 = 1,423.92 : x
  2. Step 2: Convert to fraction form
    2,207.76/3,047.44 = 1,423.92/x
  3. Step 3: Cross multiply
    2,207.76x = 3,047.44 × 1,423.92
  4. Step 4: Simplify right side
    2,207.76x = 4,339,310.76
  5. Step 5: Solve for x
    x = 4,339,310.76/2,207.76
  6. Step 6: Final answer
    x = 1,965.48

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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.