Home / 3,261.06-4,889.76-1,069.20

Finding the Fourth Proportional to 3,261.06, 4,889.76 and 1,069.20

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Solution

The fourth proportional to 3,261.06, 4,889.76 and 1,069.20 is: 1,603.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261.06 : 4,889.76 = 1,069.20 : x
  2. Step 2: Convert to fraction form
    3,261.06/4,889.76 = 1,069.20/x
  3. Step 3: Cross multiply
    3,261.06x = 4,889.76 × 1,069.20
  4. Step 4: Simplify right side
    3,261.06x = 5,228,131.39
  5. Step 5: Solve for x
    x = 5,228,131.39/3,261.06
  6. Step 6: Final answer
    x = 1,603.20

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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.