Home / 3,771.30-5,205.52-2,445.10

Finding the Fourth Proportional to 3,771.30, 5,205.52 and 2,445.10

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Solution

The fourth proportional to 3,771.30, 5,205.52 and 2,445.10 is: 3,374.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,771.30 : 5,205.52 = 2,445.10 : x
  2. Step 2: Convert to fraction form
    3,771.30/5,205.52 = 2,445.10/x
  3. Step 3: Cross multiply
    3,771.30x = 5,205.52 × 2,445.10
  4. Step 4: Simplify right side
    3,771.30x = 12,728,016.95
  5. Step 5: Solve for x
    x = 12,728,016.95/3,771.30
  6. Step 6: Final answer
    x = 3,374.97

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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.