Home / 3,578.13-4,937.49-2,005.92

Finding the Fourth Proportional to 3,578.13, 4,937.49 and 2,005.92

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Solution

The fourth proportional to 3,578.13, 4,937.49 and 2,005.92 is: 2,767.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578.13 : 4,937.49 = 2,005.92 : x
  2. Step 2: Convert to fraction form
    3,578.13/4,937.49 = 2,005.92/x
  3. Step 3: Cross multiply
    3,578.13x = 4,937.49 × 2,005.92
  4. Step 4: Simplify right side
    3,578.13x = 9,904,209.94
  5. Step 5: Solve for x
    x = 9,904,209.94/3,578.13
  6. Step 6: Final answer
    x = 2,767.98

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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.