Home / 2,170.49-3,252.61-1,234.18

Finding the Fourth Proportional to 2,170.49, 3,252.61 and 1,234.18

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Solution

The fourth proportional to 2,170.49, 3,252.61 and 1,234.18 is: 1,849.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170.49 : 3,252.61 = 1,234.18 : x
  2. Step 2: Convert to fraction form
    2,170.49/3,252.61 = 1,234.18/x
  3. Step 3: Cross multiply
    2,170.49x = 3,252.61 × 1,234.18
  4. Step 4: Simplify right side
    2,170.49x = 4,014,289.95
  5. Step 5: Solve for x
    x = 4,014,289.95/2,170.49
  6. Step 6: Final answer
    x = 1,849.49

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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.