Home / 2,630.43-3,948.08-1,806.66

Finding the Fourth Proportional to 2,630.43, 3,948.08 and 1,806.66

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Solution

The fourth proportional to 2,630.43, 3,948.08 and 1,806.66 is: 2,711.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,630.43 : 3,948.08 = 1,806.66 : x
  2. Step 2: Convert to fraction form
    2,630.43/3,948.08 = 1,806.66/x
  3. Step 3: Cross multiply
    2,630.43x = 3,948.08 × 1,806.66
  4. Step 4: Simplify right side
    2,630.43x = 7,132,838.21
  5. Step 5: Solve for x
    x = 7,132,838.21/2,630.43
  6. Step 6: Final answer
    x = 2,711.66

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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.