Home / 3,025.92-4,176.46-1,977.38

Finding the Fourth Proportional to 3,025.92, 4,176.46 and 1,977.38

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Solution

The fourth proportional to 3,025.92, 4,176.46 and 1,977.38 is: 2,729.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,025.92 : 4,176.46 = 1,977.38 : x
  2. Step 2: Convert to fraction form
    3,025.92/4,176.46 = 1,977.38/x
  3. Step 3: Cross multiply
    3,025.92x = 4,176.46 × 1,977.38
  4. Step 4: Simplify right side
    3,025.92x = 8,258,448.47
  5. Step 5: Solve for x
    x = 8,258,448.47/3,025.92
  6. Step 6: Final answer
    x = 2,729.24

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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.