Home / 3,315.31-4,972.91-1,754.98

Finding the Fourth Proportional to 3,315.31, 4,972.91 and 1,754.98

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Solution

The fourth proportional to 3,315.31, 4,972.91 and 1,754.98 is: 2,632.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315.31 : 4,972.91 = 1,754.98 : x
  2. Step 2: Convert to fraction form
    3,315.31/4,972.91 = 1,754.98/x
  3. Step 3: Cross multiply
    3,315.31x = 4,972.91 × 1,754.98
  4. Step 4: Simplify right side
    3,315.31x = 8,727,336.38
  5. Step 5: Solve for x
    x = 8,727,336.38/3,315.31
  6. Step 6: Final answer
    x = 2,632.44

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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.