Home / 2,869.35-3,963.60-2,247.74

Finding the Fourth Proportional to 2,869.35, 3,963.60 and 2,247.74

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Solution

The fourth proportional to 2,869.35, 3,963.60 and 2,247.74 is: 3,104.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,869.35 : 3,963.60 = 2,247.74 : x
  2. Step 2: Convert to fraction form
    2,869.35/3,963.60 = 2,247.74/x
  3. Step 3: Cross multiply
    2,869.35x = 3,963.60 × 2,247.74
  4. Step 4: Simplify right side
    2,869.35x = 8,909,142.26
  5. Step 5: Solve for x
    x = 8,909,142.26/2,869.35
  6. Step 6: Final answer
    x = 3,104.93

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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.