Home / 3,147.93-4,712.99-2,616.57

Finding the Fourth Proportional to 3,147.93, 4,712.99 and 2,616.57

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Solution

The fourth proportional to 3,147.93, 4,712.99 and 2,616.57 is: 3,917.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147.93 : 4,712.99 = 2,616.57 : x
  2. Step 2: Convert to fraction form
    3,147.93/4,712.99 = 2,616.57/x
  3. Step 3: Cross multiply
    3,147.93x = 4,712.99 × 2,616.57
  4. Step 4: Simplify right side
    3,147.93x = 12,331,855.16
  5. Step 5: Solve for x
    x = 12,331,855.16/3,147.93
  6. Step 6: Final answer
    x = 3,917.45

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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.