Home / 4,170.32-6,258.54-1,979.05

Finding the Fourth Proportional to 4,170.32, 6,258.54 and 1,979.05

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Solution

The fourth proportional to 4,170.32, 6,258.54 and 1,979.05 is: 2,970.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,170.32 : 6,258.54 = 1,979.05 : x
  2. Step 2: Convert to fraction form
    4,170.32/6,258.54 = 1,979.05/x
  3. Step 3: Cross multiply
    4,170.32x = 6,258.54 × 1,979.05
  4. Step 4: Simplify right side
    4,170.32x = 12,385,932.29
  5. Step 5: Solve for x
    x = 12,385,932.29/4,170.32
  6. Step 6: Final answer
    x = 2,970.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.