Home / 3,433.08-5,142.66-2,740.92

Finding the Fourth Proportional to 3,433.08, 5,142.66 and 2,740.92

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Solution

The fourth proportional to 3,433.08, 5,142.66 and 2,740.92 is: 4,105.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,433.08 : 5,142.66 = 2,740.92 : x
  2. Step 2: Convert to fraction form
    3,433.08/5,142.66 = 2,740.92/x
  3. Step 3: Cross multiply
    3,433.08x = 5,142.66 × 2,740.92
  4. Step 4: Simplify right side
    3,433.08x = 14,095,619.65
  5. Step 5: Solve for x
    x = 14,095,619.65/3,433.08
  6. Step 6: Final answer
    x = 4,105.82

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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.