Home / 3,103.42-4,654.41-1,854.39

Finding the Fourth Proportional to 3,103.42, 4,654.41 and 1,854.39

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Solution

The fourth proportional to 3,103.42, 4,654.41 and 1,854.39 is: 2,781.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103.42 : 4,654.41 = 1,854.39 : x
  2. Step 2: Convert to fraction form
    3,103.42/4,654.41 = 1,854.39/x
  3. Step 3: Cross multiply
    3,103.42x = 4,654.41 × 1,854.39
  4. Step 4: Simplify right side
    3,103.42x = 8,631,091.36
  5. Step 5: Solve for x
    x = 8,631,091.36/3,103.42
  6. Step 6: Final answer
    x = 2,781.15

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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.