Home / 3,247.68-4,482.18-3,145.62

Finding the Fourth Proportional to 3,247.68, 4,482.18 and 3,145.62

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Solution

The fourth proportional to 3,247.68, 4,482.18 and 3,145.62 is: 4,341.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,247.68 : 4,482.18 = 3,145.62 : x
  2. Step 2: Convert to fraction form
    3,247.68/4,482.18 = 3,145.62/x
  3. Step 3: Cross multiply
    3,247.68x = 4,482.18 × 3,145.62
  4. Step 4: Simplify right side
    3,247.68x = 14,099,235.05
  5. Step 5: Solve for x
    x = 14,099,235.05/3,247.68
  6. Step 6: Final answer
    x = 4,341.33

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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.