Home / 3,025.40-4,179.30-2,335.64

Finding the Fourth Proportional to 3,025.40, 4,179.30 and 2,335.64

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Solution

The fourth proportional to 3,025.40, 4,179.30 and 2,335.64 is: 3,226.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,025.40 : 4,179.30 = 2,335.64 : x
  2. Step 2: Convert to fraction form
    3,025.40/4,179.30 = 2,335.64/x
  3. Step 3: Cross multiply
    3,025.40x = 4,179.30 × 2,335.64
  4. Step 4: Simplify right side
    3,025.40x = 9,761,340.25
  5. Step 5: Solve for x
    x = 9,761,340.25/3,025.40
  6. Step 6: Final answer
    x = 3,226.46

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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.