Home / 3,872.34-5,343.66-2,300.58

Finding the Fourth Proportional to 3,872.34, 5,343.66 and 2,300.58

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Solution

The fourth proportional to 3,872.34, 5,343.66 and 2,300.58 is: 3,174.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,872.34 : 5,343.66 = 2,300.58 : x
  2. Step 2: Convert to fraction form
    3,872.34/5,343.66 = 2,300.58/x
  3. Step 3: Cross multiply
    3,872.34x = 5,343.66 × 2,300.58
  4. Step 4: Simplify right side
    3,872.34x = 12,293,517.32
  5. Step 5: Solve for x
    x = 12,293,517.32/3,872.34
  6. Step 6: Final answer
    x = 3,174.70

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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.