Home / 3,108.40-4,663.24-1,647.16

Finding the Fourth Proportional to 3,108.40, 4,663.24 and 1,647.16

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Solution

The fourth proportional to 3,108.40, 4,663.24 and 1,647.16 is: 2,471.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.40 : 4,663.24 = 1,647.16 : x
  2. Step 2: Convert to fraction form
    3,108.40/4,663.24 = 1,647.16/x
  3. Step 3: Cross multiply
    3,108.40x = 4,663.24 × 1,647.16
  4. Step 4: Simplify right side
    3,108.40x = 7,681,086.62
  5. Step 5: Solve for x
    x = 7,681,086.62/3,108.40
  6. Step 6: Final answer
    x = 2,471.08

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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.