Home / 3,261.04-4,890.60-1,069.28

Finding the Fourth Proportional to 3,261.04, 4,890.60 and 1,069.28

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Solution

The fourth proportional to 3,261.04, 4,890.60 and 1,069.28 is: 1,603.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261.04 : 4,890.60 = 1,069.28 : x
  2. Step 2: Convert to fraction form
    3,261.04/4,890.60 = 1,069.28/x
  3. Step 3: Cross multiply
    3,261.04x = 4,890.60 × 1,069.28
  4. Step 4: Simplify right side
    3,261.04x = 5,229,420.77
  5. Step 5: Solve for x
    x = 5,229,420.77/3,261.04
  6. Step 6: Final answer
    x = 1,603.61

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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.