Home / 3,217.36-4,802.72-2,976.88

Finding the Fourth Proportional to 3,217.36, 4,802.72 and 2,976.88

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Solution

The fourth proportional to 3,217.36, 4,802.72 and 2,976.88 is: 4,443.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217.36 : 4,802.72 = 2,976.88 : x
  2. Step 2: Convert to fraction form
    3,217.36/4,802.72 = 2,976.88/x
  3. Step 3: Cross multiply
    3,217.36x = 4,802.72 × 2,976.88
  4. Step 4: Simplify right side
    3,217.36x = 14,297,121.11
  5. Step 5: Solve for x
    x = 14,297,121.11/3,217.36
  6. Step 6: Final answer
    x = 4,443.74

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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.