Home / 3,217.35-4,439.37-1,891.32

Finding the Fourth Proportional to 3,217.35, 4,439.37 and 1,891.32

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Solution

The fourth proportional to 3,217.35, 4,439.37 and 1,891.32 is: 2,609.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217.35 : 4,439.37 = 1,891.32 : x
  2. Step 2: Convert to fraction form
    3,217.35/4,439.37 = 1,891.32/x
  3. Step 3: Cross multiply
    3,217.35x = 4,439.37 × 1,891.32
  4. Step 4: Simplify right side
    3,217.35x = 8,396,269.27
  5. Step 5: Solve for x
    x = 8,396,269.27/3,217.35
  6. Step 6: Final answer
    x = 2,609.68

Related Problems

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Half scale
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Double scale
Find fourth proportional to 3,218.35, 4,440.75 and 1,892.32
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.