Home / 3,218.88-4,412.28-3,175.16

Finding the Fourth Proportional to 3,218.88, 4,412.28 and 3,175.16

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Solution

The fourth proportional to 3,218.88, 4,412.28 and 3,175.16 is: 4,352.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218.88 : 4,412.28 = 3,175.16 : x
  2. Step 2: Convert to fraction form
    3,218.88/4,412.28 = 3,175.16/x
  3. Step 3: Cross multiply
    3,218.88x = 4,412.28 × 3,175.16
  4. Step 4: Simplify right side
    3,218.88x = 14,009,694.96
  5. Step 5: Solve for x
    x = 14,009,694.96/3,218.88
  6. Step 6: Final answer
    x = 4,352.35

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.