Home / 3,517.76-5,274.08-2,286.40

Finding the Fourth Proportional to 3,517.76, 5,274.08 and 2,286.40

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Solution

The fourth proportional to 3,517.76, 5,274.08 and 2,286.40 is: 3,427.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,517.76 : 5,274.08 = 2,286.40 : x
  2. Step 2: Convert to fraction form
    3,517.76/5,274.08 = 2,286.40/x
  3. Step 3: Cross multiply
    3,517.76x = 5,274.08 × 2,286.40
  4. Step 4: Simplify right side
    3,517.76x = 12,058,656.51
  5. Step 5: Solve for x
    x = 12,058,656.51/3,517.76
  6. Step 6: Final answer
    x = 3,427.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.