Home / 3,506.75-5,261.19-2,102.72

Finding the Fourth Proportional to 3,506.75, 5,261.19 and 2,102.72

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Solution

The fourth proportional to 3,506.75, 5,261.19 and 2,102.72 is: 3,154.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,506.75 : 5,261.19 = 2,102.72 : x
  2. Step 2: Convert to fraction form
    3,506.75/5,261.19 = 2,102.72/x
  3. Step 3: Cross multiply
    3,506.75x = 5,261.19 × 2,102.72
  4. Step 4: Simplify right side
    3,506.75x = 11,062,809.44
  5. Step 5: Solve for x
    x = 11,062,809.44/3,506.75
  6. Step 6: Final answer
    x = 3,154.72

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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.