Home / 2,908.45-4,359.70-1,865.44

Finding the Fourth Proportional to 2,908.45, 4,359.70 and 1,865.44

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Solution

The fourth proportional to 2,908.45, 4,359.70 and 1,865.44 is: 2,796.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,908.45 : 4,359.70 = 1,865.44 : x
  2. Step 2: Convert to fraction form
    2,908.45/4,359.70 = 1,865.44/x
  3. Step 3: Cross multiply
    2,908.45x = 4,359.70 × 1,865.44
  4. Step 4: Simplify right side
    2,908.45x = 8,132,758.77
  5. Step 5: Solve for x
    x = 8,132,758.77/2,908.45
  6. Step 6: Final answer
    x = 2,796.25

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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.