Home / 2,735.20-3,774.78-1,556.32

Finding the Fourth Proportional to 2,735.20, 3,774.78 and 1,556.32

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Solution

The fourth proportional to 2,735.20, 3,774.78 and 1,556.32 is: 2,147.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,735.20 : 3,774.78 = 1,556.32 : x
  2. Step 2: Convert to fraction form
    2,735.20/3,774.78 = 1,556.32/x
  3. Step 3: Cross multiply
    2,735.20x = 3,774.78 × 1,556.32
  4. Step 4: Simplify right side
    2,735.20x = 5,874,765.61
  5. Step 5: Solve for x
    x = 5,874,765.61/2,735.20
  6. Step 6: Final answer
    x = 2,147.84

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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.