Home / 2,818.57-4,207.69-2,449.62

Finding the Fourth Proportional to 2,818.57, 4,207.69 and 2,449.62

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Solution

The fourth proportional to 2,818.57, 4,207.69 and 2,449.62 is: 3,656.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,818.57 : 4,207.69 = 2,449.62 : x
  2. Step 2: Convert to fraction form
    2,818.57/4,207.69 = 2,449.62/x
  3. Step 3: Cross multiply
    2,818.57x = 4,207.69 × 2,449.62
  4. Step 4: Simplify right side
    2,818.57x = 10,307,241.58
  5. Step 5: Solve for x
    x = 10,307,241.58/2,818.57
  6. Step 6: Final answer
    x = 3,656.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.