Home / 3,338.18-5,005.74-1,777.78

Finding the Fourth Proportional to 3,338.18, 5,005.74 and 1,777.78

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Solution

The fourth proportional to 3,338.18, 5,005.74 and 1,777.78 is: 2,665.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,338.18 : 5,005.74 = 1,777.78 : x
  2. Step 2: Convert to fraction form
    3,338.18/5,005.74 = 1,777.78/x
  3. Step 3: Cross multiply
    3,338.18x = 5,005.74 × 1,777.78
  4. Step 4: Simplify right side
    3,338.18x = 8,899,098.61
  5. Step 5: Solve for x
    x = 8,899,098.61/3,338.18
  6. Step 6: Final answer
    x = 2,665.86

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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.