Home / 3,916.53-5,404.88-2,148.11

Finding the Fourth Proportional to 3,916.53, 5,404.88 and 2,148.11

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Solution

The fourth proportional to 3,916.53, 5,404.88 and 2,148.11 is: 2,964.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,916.53 : 5,404.88 = 2,148.11 : x
  2. Step 2: Convert to fraction form
    3,916.53/5,404.88 = 2,148.11/x
  3. Step 3: Cross multiply
    3,916.53x = 5,404.88 × 2,148.11
  4. Step 4: Simplify right side
    3,916.53x = 11,610,239.01
  5. Step 5: Solve for x
    x = 11,610,239.01/3,916.53
  6. Step 6: Final answer
    x = 2,964.42

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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.