Home / 3,455.10-5,182.68-2,766.15

Finding the Fourth Proportional to 3,455.10, 5,182.68 and 2,766.15

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Solution

The fourth proportional to 3,455.10, 5,182.68 and 2,766.15 is: 4,149.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.10 : 5,182.68 = 2,766.15 : x
  2. Step 2: Convert to fraction form
    3,455.10/5,182.68 = 2,766.15/x
  3. Step 3: Cross multiply
    3,455.10x = 5,182.68 × 2,766.15
  4. Step 4: Simplify right side
    3,455.10x = 14,336,070.28
  5. Step 5: Solve for x
    x = 14,336,070.28/3,455.10
  6. Step 6: Final answer
    x = 4,149.25

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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.