Home / 3,540.48-5,306.04-2,148

Finding the Fourth Proportional to 3,540.48, 5,306.04 and 2,148

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Solution

The fourth proportional to 3,540.48, 5,306.04 and 2,148 is: 3,219.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540.48 : 5,306.04 = 2,148 : x
  2. Step 2: Convert to fraction form
    3,540.48/5,306.04 = 2,148/x
  3. Step 3: Cross multiply
    3,540.48x = 5,306.04 × 2,148
  4. Step 4: Simplify right side
    3,540.48x = 11,397,373.92
  5. Step 5: Solve for x
    x = 11,397,373.92/3,540.48
  6. Step 6: Final answer
    x = 3,219.16

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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.