Home / 2,975.38-4,440.92-2,578.29

Finding the Fourth Proportional to 2,975.38, 4,440.92 and 2,578.29

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Solution

The fourth proportional to 2,975.38, 4,440.92 and 2,578.29 is: 3,848.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,975.38 : 4,440.92 = 2,578.29 : x
  2. Step 2: Convert to fraction form
    2,975.38/4,440.92 = 2,578.29/x
  3. Step 3: Cross multiply
    2,975.38x = 4,440.92 × 2,578.29
  4. Step 4: Simplify right side
    2,975.38x = 11,449,979.63
  5. Step 5: Solve for x
    x = 11,449,979.63/2,975.38
  6. Step 6: Final answer
    x = 3,848.24

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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.