Home / 2,697.30-3,717.90-1,951.29

Finding the Fourth Proportional to 2,697.30, 3,717.90 and 1,951.29

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Solution

The fourth proportional to 2,697.30, 3,717.90 and 1,951.29 is: 2,689.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,697.30 : 3,717.90 = 1,951.29 : x
  2. Step 2: Convert to fraction form
    2,697.30/3,717.90 = 1,951.29/x
  3. Step 3: Cross multiply
    2,697.30x = 3,717.90 × 1,951.29
  4. Step 4: Simplify right side
    2,697.30x = 7,254,701.09
  5. Step 5: Solve for x
    x = 7,254,701.09/2,697.30
  6. Step 6: Final answer
    x = 2,689.62

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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.