Home / 2,820.66-4,207.08-2,452.56

Finding the Fourth Proportional to 2,820.66, 4,207.08 and 2,452.56

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Solution

The fourth proportional to 2,820.66, 4,207.08 and 2,452.56 is: 3,658.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,820.66 : 4,207.08 = 2,452.56 : x
  2. Step 2: Convert to fraction form
    2,820.66/4,207.08 = 2,452.56/x
  3. Step 3: Cross multiply
    2,820.66x = 4,207.08 × 2,452.56
  4. Step 4: Simplify right side
    2,820.66x = 10,318,116.12
  5. Step 5: Solve for x
    x = 10,318,116.12/2,820.66
  6. Step 6: Final answer
    x = 3,658.05

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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.