Home / 2,338.32-3,512.34-1,788.60

Finding the Fourth Proportional to 2,338.32, 3,512.34 and 1,788.60

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Solution

The fourth proportional to 2,338.32, 3,512.34 and 1,788.60 is: 2,686.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,338.32 : 3,512.34 = 1,788.60 : x
  2. Step 2: Convert to fraction form
    2,338.32/3,512.34 = 1,788.60/x
  3. Step 3: Cross multiply
    2,338.32x = 3,512.34 × 1,788.60
  4. Step 4: Simplify right side
    2,338.32x = 6,282,171.32
  5. Step 5: Solve for x
    x = 6,282,171.32/2,338.32
  6. Step 6: Final answer
    x = 2,686.62

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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.