Home / 3,261.12-4,888.72-1,180.64

Finding the Fourth Proportional to 3,261.12, 4,888.72 and 1,180.64

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Solution

The fourth proportional to 3,261.12, 4,888.72 and 1,180.64 is: 1,769.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261.12 : 4,888.72 = 1,180.64 : x
  2. Step 2: Convert to fraction form
    3,261.12/4,888.72 = 1,180.64/x
  3. Step 3: Cross multiply
    3,261.12x = 4,888.72 × 1,180.64
  4. Step 4: Simplify right side
    3,261.12x = 5,771,818.38
  5. Step 5: Solve for x
    x = 5,771,818.38/3,261.12
  6. Step 6: Final answer
    x = 1,769.89

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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.