Home / 3,916.53-5,404.57-2,148.17

Finding the Fourth Proportional to 3,916.53, 5,404.57 and 2,148.17

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Solution

The fourth proportional to 3,916.53, 5,404.57 and 2,148.17 is: 2,964.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,916.53 : 5,404.57 = 2,148.17 : x
  2. Step 2: Convert to fraction form
    3,916.53/5,404.57 = 2,148.17/x
  3. Step 3: Cross multiply
    3,916.53x = 5,404.57 × 2,148.17
  4. Step 4: Simplify right side
    3,916.53x = 11,609,902.74
  5. Step 5: Solve for x
    x = 11,609,902.74/3,916.53
  6. Step 6: Final answer
    x = 2,964.33

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1.5x scale

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.