Home / 3,261.40-4,500.69-1,769.28

Finding the Fourth Proportional to 3,261.40, 4,500.69 and 1,769.28

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Solution

The fourth proportional to 3,261.40, 4,500.69 and 1,769.28 is: 2,441.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261.40 : 4,500.69 = 1,769.28 : x
  2. Step 2: Convert to fraction form
    3,261.40/4,500.69 = 1,769.28/x
  3. Step 3: Cross multiply
    3,261.40x = 4,500.69 × 1,769.28
  4. Step 4: Simplify right side
    3,261.40x = 7,962,980.80
  5. Step 5: Solve for x
    x = 7,962,980.80/3,261.40
  6. Step 6: Final answer
    x = 2,441.58

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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.