Home / 3,138.68-4,708.89-2,552.23

Finding the Fourth Proportional to 3,138.68, 4,708.89 and 2,552.23

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Solution

The fourth proportional to 3,138.68, 4,708.89 and 2,552.23 is: 3,829.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138.68 : 4,708.89 = 2,552.23 : x
  2. Step 2: Convert to fraction form
    3,138.68/4,708.89 = 2,552.23/x
  3. Step 3: Cross multiply
    3,138.68x = 4,708.89 × 2,552.23
  4. Step 4: Simplify right side
    3,138.68x = 12,018,176.21
  5. Step 5: Solve for x
    x = 12,018,176.21/3,138.68
  6. Step 6: Final answer
    x = 3,829.05

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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.