Home / 2,303.78-3,179.12-1,359.60

Finding the Fourth Proportional to 2,303.78, 3,179.12 and 1,359.60

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Solution

The fourth proportional to 2,303.78, 3,179.12 and 1,359.60 is: 1,876.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,303.78 : 3,179.12 = 1,359.60 : x
  2. Step 2: Convert to fraction form
    2,303.78/3,179.12 = 1,359.60/x
  3. Step 3: Cross multiply
    2,303.78x = 3,179.12 × 1,359.60
  4. Step 4: Simplify right side
    2,303.78x = 4,322,324.75
  5. Step 5: Solve for x
    x = 4,322,324.75/2,303.78
  6. Step 6: Final answer
    x = 1,876.19

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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.