Home / 3,771.31-5,204.45-2,069.88

Finding the Fourth Proportional to 3,771.31, 5,204.45 and 2,069.88

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Solution

The fourth proportional to 3,771.31, 5,204.45 and 2,069.88 is: 2,856.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,771.31 : 5,204.45 = 2,069.88 : x
  2. Step 2: Convert to fraction form
    3,771.31/5,204.45 = 2,069.88/x
  3. Step 3: Cross multiply
    3,771.31x = 5,204.45 × 2,069.88
  4. Step 4: Simplify right side
    3,771.31x = 10,772,587.26
  5. Step 5: Solve for x
    x = 10,772,587.26/3,771.31
  6. Step 6: Final answer
    x = 2,856.46

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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.