Home / 3,576.72-5,376.60-2,488.80

Finding the Fourth Proportional to 3,576.72, 5,376.60 and 2,488.80

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Solution

The fourth proportional to 3,576.72, 5,376.60 and 2,488.80 is: 3,741.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,576.72 : 5,376.60 = 2,488.80 : x
  2. Step 2: Convert to fraction form
    3,576.72/5,376.60 = 2,488.80/x
  3. Step 3: Cross multiply
    3,576.72x = 5,376.60 × 2,488.80
  4. Step 4: Simplify right side
    3,576.72x = 13,381,282.08
  5. Step 5: Solve for x
    x = 13,381,282.08/3,576.72
  6. Step 6: Final answer
    x = 3,741.22

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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.