Home / 3,245.72-4,475.06-2,707.61

Finding the Fourth Proportional to 3,245.72, 4,475.06 and 2,707.61

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Solution

The fourth proportional to 3,245.72, 4,475.06 and 2,707.61 is: 3,733.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,245.72 : 4,475.06 = 2,707.61 : x
  2. Step 2: Convert to fraction form
    3,245.72/4,475.06 = 2,707.61/x
  3. Step 3: Cross multiply
    3,245.72x = 4,475.06 × 2,707.61
  4. Step 4: Simplify right side
    3,245.72x = 12,116,681.29
  5. Step 5: Solve for x
    x = 12,116,681.29/3,245.72
  6. Step 6: Final answer
    x = 3,733.12

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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.