Home / 3,750.39-5,176.17-2,179.40

Finding the Fourth Proportional to 3,750.39, 5,176.17 and 2,179.40

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Solution

The fourth proportional to 3,750.39, 5,176.17 and 2,179.40 is: 3,007.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,750.39 : 5,176.17 = 2,179.40 : x
  2. Step 2: Convert to fraction form
    3,750.39/5,176.17 = 2,179.40/x
  3. Step 3: Cross multiply
    3,750.39x = 5,176.17 × 2,179.40
  4. Step 4: Simplify right side
    3,750.39x = 11,280,919.02
  5. Step 5: Solve for x
    x = 11,280,919.02/3,750.39
  6. Step 6: Final answer
    x = 3,007.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.