Home / 4,177.92-5,767.68-2,854.08

Finding the Fourth Proportional to 4,177.92, 5,767.68 and 2,854.08

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Solution

The fourth proportional to 4,177.92, 5,767.68 and 2,854.08 is: 3,940.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,177.92 : 5,767.68 = 2,854.08 : x
  2. Step 2: Convert to fraction form
    4,177.92/5,767.68 = 2,854.08/x
  3. Step 3: Cross multiply
    4,177.92x = 5,767.68 × 2,854.08
  4. Step 4: Simplify right side
    4,177.92x = 16,461,420.13
  5. Step 5: Solve for x
    x = 16,461,420.13/4,177.92
  6. Step 6: Final answer
    x = 3,940.10

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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.