Home / 3,578.16-5,369.88-2,345.16

Finding the Fourth Proportional to 3,578.16, 5,369.88 and 2,345.16

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Solution

The fourth proportional to 3,578.16, 5,369.88 and 2,345.16 is: 3,519.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578.16 : 5,369.88 = 2,345.16 : x
  2. Step 2: Convert to fraction form
    3,578.16/5,369.88 = 2,345.16/x
  3. Step 3: Cross multiply
    3,578.16x = 5,369.88 × 2,345.16
  4. Step 4: Simplify right side
    3,578.16x = 12,593,227.78
  5. Step 5: Solve for x
    x = 12,593,227.78/3,578.16
  6. Step 6: Final answer
    x = 3,519.47

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1.5x scale

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.