Home / 3,261.23-4,892.51-1,069.79

Finding the Fourth Proportional to 3,261.23, 4,892.51 and 1,069.79

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Solution

The fourth proportional to 3,261.23, 4,892.51 and 1,069.79 is: 1,604.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261.23 : 4,892.51 = 1,069.79 : x
  2. Step 2: Convert to fraction form
    3,261.23/4,892.51 = 1,069.79/x
  3. Step 3: Cross multiply
    3,261.23x = 4,892.51 × 1,069.79
  4. Step 4: Simplify right side
    3,261.23x = 5,233,928.46
  5. Step 5: Solve for x
    x = 5,233,928.46/3,261.23
  6. Step 6: Final answer
    x = 1,604.90

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1.5x scale

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.