Home / 2,213.27-3,319.49-896.95

Finding the Fourth Proportional to 2,213.27, 3,319.49 and 896.95

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Solution

The fourth proportional to 2,213.27, 3,319.49 and 896.95 is: 1,345.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,213.27 : 3,319.49 = 896.95 : x
  2. Step 2: Convert to fraction form
    2,213.27/3,319.49 = 896.95/x
  3. Step 3: Cross multiply
    2,213.27x = 3,319.49 × 896.95
  4. Step 4: Simplify right side
    2,213.27x = 2,977,395.47
  5. Step 5: Solve for x
    x = 2,977,395.47/2,213.27
  6. Step 6: Final answer
    x = 1,345.25

Related Problems

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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.