Home / 2,251.12-3,108.36-1,807.60

Finding the Fourth Proportional to 2,251.12, 3,108.36 and 1,807.60

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Solution

The fourth proportional to 2,251.12, 3,108.36 and 1,807.60 is: 2,495.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251.12 : 3,108.36 = 1,807.60 : x
  2. Step 2: Convert to fraction form
    2,251.12/3,108.36 = 1,807.60/x
  3. Step 3: Cross multiply
    2,251.12x = 3,108.36 × 1,807.60
  4. Step 4: Simplify right side
    2,251.12x = 5,618,671.54
  5. Step 5: Solve for x
    x = 5,618,671.54/2,251.12
  6. Step 6: Final answer
    x = 2,495.94

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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.