Home / 3,335.66-4,979.68-2,898.38

Finding the Fourth Proportional to 3,335.66, 4,979.68 and 2,898.38

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Solution

The fourth proportional to 3,335.66, 4,979.68 and 2,898.38 is: 4,326.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,335.66 : 4,979.68 = 2,898.38 : x
  2. Step 2: Convert to fraction form
    3,335.66/4,979.68 = 2,898.38/x
  3. Step 3: Cross multiply
    3,335.66x = 4,979.68 × 2,898.38
  4. Step 4: Simplify right side
    3,335.66x = 14,432,990.43
  5. Step 5: Solve for x
    x = 14,432,990.43/3,335.66
  6. Step 6: Final answer
    x = 4,326.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.