Home / 3,411.87-4,706.96-2,012.19

Finding the Fourth Proportional to 3,411.87, 4,706.96 and 2,012.19

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Solution

The fourth proportional to 3,411.87, 4,706.96 and 2,012.19 is: 2,775.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,411.87 : 4,706.96 = 2,012.19 : x
  2. Step 2: Convert to fraction form
    3,411.87/4,706.96 = 2,012.19/x
  3. Step 3: Cross multiply
    3,411.87x = 4,706.96 × 2,012.19
  4. Step 4: Simplify right side
    3,411.87x = 9,471,287.78
  5. Step 5: Solve for x
    x = 9,471,287.78/3,411.87
  6. Step 6: Final answer
    x = 2,775.98

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Half scale
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Double scale
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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.