Home / 3,077.26-4,245.62-1,818.35

Finding the Fourth Proportional to 3,077.26, 4,245.62 and 1,818.35

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Solution

The fourth proportional to 3,077.26, 4,245.62 and 1,818.35 is: 2,508.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,077.26 : 4,245.62 = 1,818.35 : x
  2. Step 2: Convert to fraction form
    3,077.26/4,245.62 = 1,818.35/x
  3. Step 3: Cross multiply
    3,077.26x = 4,245.62 × 1,818.35
  4. Step 4: Simplify right side
    3,077.26x = 7,720,008.73
  5. Step 5: Solve for x
    x = 7,720,008.73/3,077.26
  6. Step 6: Final answer
    x = 2,508.73

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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.