Home / 3,768.60-5,653.80-1,576.11

Finding the Fourth Proportional to 3,768.60, 5,653.80 and 1,576.11

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Solution

The fourth proportional to 3,768.60, 5,653.80 and 1,576.11 is: 2,364.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,768.60 : 5,653.80 = 1,576.11 : x
  2. Step 2: Convert to fraction form
    3,768.60/5,653.80 = 1,576.11/x
  3. Step 3: Cross multiply
    3,768.60x = 5,653.80 × 1,576.11
  4. Step 4: Simplify right side
    3,768.60x = 8,911,010.72
  5. Step 5: Solve for x
    x = 8,911,010.72/3,768.60
  6. Step 6: Final answer
    x = 2,364.54

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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.