Home / 3,102.40-4,653.60-2,895.85

Finding the Fourth Proportional to 3,102.40, 4,653.60 and 2,895.85

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Solution

The fourth proportional to 3,102.40, 4,653.60 and 2,895.85 is: 4,343.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,102.40 : 4,653.60 = 2,895.85 : x
  2. Step 2: Convert to fraction form
    3,102.40/4,653.60 = 2,895.85/x
  3. Step 3: Cross multiply
    3,102.40x = 4,653.60 × 2,895.85
  4. Step 4: Simplify right side
    3,102.40x = 13,476,127.56
  5. Step 5: Solve for x
    x = 13,476,127.56/3,102.40
  6. Step 6: Final answer
    x = 4,343.78

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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.