Home / 3,617.80-5,416.14-3,271.92

Finding the Fourth Proportional to 3,617.80, 5,416.14 and 3,271.92

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Solution

The fourth proportional to 3,617.80, 5,416.14 and 3,271.92 is: 4,898.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.80 : 5,416.14 = 3,271.92 : x
  2. Step 2: Convert to fraction form
    3,617.80/5,416.14 = 3,271.92/x
  3. Step 3: Cross multiply
    3,617.80x = 5,416.14 × 3,271.92
  4. Step 4: Simplify right side
    3,617.80x = 17,721,176.79
  5. Step 5: Solve for x
    x = 17,721,176.79/3,617.80
  6. Step 6: Final answer
    x = 4,898.33

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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.