Home / 3,941.83-5,439.70-2,149.41

Finding the Fourth Proportional to 3,941.83, 5,439.70 and 2,149.41

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Solution

The fourth proportional to 3,941.83, 5,439.70 and 2,149.41 is: 2,966.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,941.83 : 5,439.70 = 2,149.41 : x
  2. Step 2: Convert to fraction form
    3,941.83/5,439.70 = 2,149.41/x
  3. Step 3: Cross multiply
    3,941.83x = 5,439.70 × 2,149.41
  4. Step 4: Simplify right side
    3,941.83x = 11,692,145.58
  5. Step 5: Solve for x
    x = 11,692,145.58/3,941.83
  6. Step 6: Final answer
    x = 2,966.17

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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.