Home / 2,869.36-3,951.89-2,650.66

Finding the Fourth Proportional to 2,869.36, 3,951.89 and 2,650.66

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Solution

The fourth proportional to 2,869.36, 3,951.89 and 2,650.66 is: 3,650.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,869.36 : 3,951.89 = 2,650.66 : x
  2. Step 2: Convert to fraction form
    2,869.36/3,951.89 = 2,650.66/x
  3. Step 3: Cross multiply
    2,869.36x = 3,951.89 × 2,650.66
  4. Step 4: Simplify right side
    2,869.36x = 10,475,103.55
  5. Step 5: Solve for x
    x = 10,475,103.55/2,869.36
  6. Step 6: Final answer
    x = 3,650.68

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1.5x scale

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.