Home / 3,155.57-4,724.69-2,569.19

Finding the Fourth Proportional to 3,155.57, 4,724.69 and 2,569.19

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Solution

The fourth proportional to 3,155.57, 4,724.69 and 2,569.19 is: 3,846.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.57 : 4,724.69 = 2,569.19 : x
  2. Step 2: Convert to fraction form
    3,155.57/4,724.69 = 2,569.19/x
  3. Step 3: Cross multiply
    3,155.57x = 4,724.69 × 2,569.19
  4. Step 4: Simplify right side
    3,155.57x = 12,138,626.30
  5. Step 5: Solve for x
    x = 12,138,626.30/3,155.57
  6. Step 6: Final answer
    x = 3,846.73

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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.