Home / 3,181.29-4,385.58-2,234.19

Finding the Fourth Proportional to 3,181.29, 4,385.58 and 2,234.19

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Solution

The fourth proportional to 3,181.29, 4,385.58 and 2,234.19 is: 3,079.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,181.29 : 4,385.58 = 2,234.19 : x
  2. Step 2: Convert to fraction form
    3,181.29/4,385.58 = 2,234.19/x
  3. Step 3: Cross multiply
    3,181.29x = 4,385.58 × 2,234.19
  4. Step 4: Simplify right side
    3,181.29x = 9,798,218.98
  5. Step 5: Solve for x
    x = 9,798,218.98/3,181.29
  6. Step 6: Final answer
    x = 3,079.95

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Half scale
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Double scale
Find fourth proportional to 3,182.29, 4,386.96 and 2,235.19
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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.