Home / 2,781.48-4,176.99-2,469.83

Finding the Fourth Proportional to 2,781.48, 4,176.99 and 2,469.83

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Solution

The fourth proportional to 2,781.48, 4,176.99 and 2,469.83 is: 3,708.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,781.48 : 4,176.99 = 2,469.83 : x
  2. Step 2: Convert to fraction form
    2,781.48/4,176.99 = 2,469.83/x
  3. Step 3: Cross multiply
    2,781.48x = 4,176.99 × 2,469.83
  4. Step 4: Simplify right side
    2,781.48x = 10,316,455.21
  5. Step 5: Solve for x
    x = 10,316,455.21/2,781.48
  6. Step 6: Final answer
    x = 3,708.98

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1.5x scale

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.