Home / 4,170.49-5,753.63-2,678.18

Finding the Fourth Proportional to 4,170.49, 5,753.63 and 2,678.18

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Solution

The fourth proportional to 4,170.49, 5,753.63 and 2,678.18 is: 3,694.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,170.49 : 5,753.63 = 2,678.18 : x
  2. Step 2: Convert to fraction form
    4,170.49/5,753.63 = 2,678.18/x
  3. Step 3: Cross multiply
    4,170.49x = 5,753.63 × 2,678.18
  4. Step 4: Simplify right side
    4,170.49x = 15,409,234.72
  5. Step 5: Solve for x
    x = 15,409,234.72/4,170.49
  6. Step 6: Final answer
    x = 3,694.83

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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.