Home / 3,274.34-4,517.40-2,155.93

Finding the Fourth Proportional to 3,274.34, 4,517.40 and 2,155.93

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Solution

The fourth proportional to 3,274.34, 4,517.40 and 2,155.93 is: 2,974.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,274.34 : 4,517.40 = 2,155.93 : x
  2. Step 2: Convert to fraction form
    3,274.34/4,517.40 = 2,155.93/x
  3. Step 3: Cross multiply
    3,274.34x = 4,517.40 × 2,155.93
  4. Step 4: Simplify right side
    3,274.34x = 9,739,194.97
  5. Step 5: Solve for x
    x = 9,739,194.97/3,274.34
  6. Step 6: Final answer
    x = 2,974.40

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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.