Home / 2,211.31-3,316.97-895.65

Finding the Fourth Proportional to 2,211.31, 3,316.97 and 895.65

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Solution

The fourth proportional to 2,211.31, 3,316.97 and 895.65 is: 1,343.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,211.31 : 3,316.97 = 895.65 : x
  2. Step 2: Convert to fraction form
    2,211.31/3,316.97 = 895.65/x
  3. Step 3: Cross multiply
    2,211.31x = 3,316.97 × 895.65
  4. Step 4: Simplify right side
    2,211.31x = 2,970,844.18
  5. Step 5: Solve for x
    x = 2,970,844.18/2,211.31
  6. Step 6: Final answer
    x = 1,343.48

Related Problems

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.