Home / 3,777.18-5,211.91-2,098.42

Finding the Fourth Proportional to 3,777.18, 5,211.91 and 2,098.42

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Solution

The fourth proportional to 3,777.18, 5,211.91 and 2,098.42 is: 2,895.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,777.18 : 5,211.91 = 2,098.42 : x
  2. Step 2: Convert to fraction form
    3,777.18/5,211.91 = 2,098.42/x
  3. Step 3: Cross multiply
    3,777.18x = 5,211.91 × 2,098.42
  4. Step 4: Simplify right side
    3,777.18x = 10,936,776.18
  5. Step 5: Solve for x
    x = 10,936,776.18/3,777.18
  6. Step 6: Final answer
    x = 2,895.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.