Home / 2,110.40-3,168.78-1,829.84

Finding the Fourth Proportional to 2,110.40, 3,168.78 and 1,829.84

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Solution

The fourth proportional to 2,110.40, 3,168.78 and 1,829.84 is: 2,747.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110.40 : 3,168.78 = 1,829.84 : x
  2. Step 2: Convert to fraction form
    2,110.40/3,168.78 = 1,829.84/x
  3. Step 3: Cross multiply
    2,110.40x = 3,168.78 × 1,829.84
  4. Step 4: Simplify right side
    2,110.40x = 5,798,360.40
  5. Step 5: Solve for x
    x = 5,798,360.40/2,110.40
  6. Step 6: Final answer
    x = 2,747.52

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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.