Home / 3,774.60-5,208.92-2,181.59

Finding the Fourth Proportional to 3,774.60, 5,208.92 and 2,181.59

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Solution

The fourth proportional to 3,774.60, 5,208.92 and 2,181.59 is: 3,010.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,774.60 : 5,208.92 = 2,181.59 : x
  2. Step 2: Convert to fraction form
    3,774.60/5,208.92 = 2,181.59/x
  3. Step 3: Cross multiply
    3,774.60x = 5,208.92 × 2,181.59
  4. Step 4: Simplify right side
    3,774.60x = 11,363,727.78
  5. Step 5: Solve for x
    x = 11,363,727.78/3,774.60
  6. Step 6: Final answer
    x = 3,010.58

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1.5x scale

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.