Home / 4,020.39-5,546.61-2,340.95

Finding the Fourth Proportional to 4,020.39, 5,546.61 and 2,340.95

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Solution

The fourth proportional to 4,020.39, 5,546.61 and 2,340.95 is: 3,229.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,020.39 : 5,546.61 = 2,340.95 : x
  2. Step 2: Convert to fraction form
    4,020.39/5,546.61 = 2,340.95/x
  3. Step 3: Cross multiply
    4,020.39x = 5,546.61 × 2,340.95
  4. Step 4: Simplify right side
    4,020.39x = 12,984,308.95
  5. Step 5: Solve for x
    x = 12,984,308.95/4,020.39
  6. Step 6: Final answer
    x = 3,229.61

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Half scale
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Double scale
Find fourth proportional to 4,021.39, 5,547.99 and 2,341.95
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.