Home / 2,785.18-3,845.04-1,777.90

Finding the Fourth Proportional to 2,785.18, 3,845.04 and 1,777.90

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Solution

The fourth proportional to 2,785.18, 3,845.04 and 1,777.90 is: 2,454.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,785.18 : 3,845.04 = 1,777.90 : x
  2. Step 2: Convert to fraction form
    2,785.18/3,845.04 = 1,777.90/x
  3. Step 3: Cross multiply
    2,785.18x = 3,845.04 × 1,777.90
  4. Step 4: Simplify right side
    2,785.18x = 6,836,096.62
  5. Step 5: Solve for x
    x = 6,836,096.62/2,785.18
  6. Step 6: Final answer
    x = 2,454.45

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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.