Home / 3,102.62-4,281.35-1,843.56

Finding the Fourth Proportional to 3,102.62, 4,281.35 and 1,843.56

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Solution

The fourth proportional to 3,102.62, 4,281.35 and 1,843.56 is: 2,543.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,102.62 : 4,281.35 = 1,843.56 : x
  2. Step 2: Convert to fraction form
    3,102.62/4,281.35 = 1,843.56/x
  3. Step 3: Cross multiply
    3,102.62x = 4,281.35 × 1,843.56
  4. Step 4: Simplify right side
    3,102.62x = 7,892,916.39
  5. Step 5: Solve for x
    x = 7,892,916.39/3,102.62
  6. Step 6: Final answer
    x = 2,543.96

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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.