Home / 3,827.45-5,281.47-2,149.04

Finding the Fourth Proportional to 3,827.45, 5,281.47 and 2,149.04

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Solution

The fourth proportional to 3,827.45, 5,281.47 and 2,149.04 is: 2,965.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,827.45 : 5,281.47 = 2,149.04 : x
  2. Step 2: Convert to fraction form
    3,827.45/5,281.47 = 2,149.04/x
  3. Step 3: Cross multiply
    3,827.45x = 5,281.47 × 2,149.04
  4. Step 4: Simplify right side
    3,827.45x = 11,350,086.37
  5. Step 5: Solve for x
    x = 11,350,086.37/3,827.45
  6. Step 6: Final answer
    x = 2,965.44

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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.