Home / 3,025.40-4,176.78-2,086.52

Finding the Fourth Proportional to 3,025.40, 4,176.78 and 2,086.52

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Solution

The fourth proportional to 3,025.40, 4,176.78 and 2,086.52 is: 2,880.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,025.40 : 4,176.78 = 2,086.52 : x
  2. Step 2: Convert to fraction form
    3,025.40/4,176.78 = 2,086.52/x
  3. Step 3: Cross multiply
    3,025.40x = 4,176.78 × 2,086.52
  4. Step 4: Simplify right side
    3,025.40x = 8,714,935.01
  5. Step 5: Solve for x
    x = 8,714,935.01/3,025.40
  6. Step 6: Final answer
    x = 2,880.59

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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.