Home / 3,441.05-5,162.12-1,686.19

Finding the Fourth Proportional to 3,441.05, 5,162.12 and 1,686.19

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Solution

The fourth proportional to 3,441.05, 5,162.12 and 1,686.19 is: 2,529.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,441.05 : 5,162.12 = 1,686.19 : x
  2. Step 2: Convert to fraction form
    3,441.05/5,162.12 = 1,686.19/x
  3. Step 3: Cross multiply
    3,441.05x = 5,162.12 × 1,686.19
  4. Step 4: Simplify right side
    3,441.05x = 8,704,315.12
  5. Step 5: Solve for x
    x = 8,704,315.12/3,441.05
  6. Step 6: Final answer
    x = 2,529.55

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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.