Home / 3,730.71-5,147.04-2,136.94

Finding the Fourth Proportional to 3,730.71, 5,147.04 and 2,136.94

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Solution

The fourth proportional to 3,730.71, 5,147.04 and 2,136.94 is: 2,948.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,730.71 : 5,147.04 = 2,136.94 : x
  2. Step 2: Convert to fraction form
    3,730.71/5,147.04 = 2,136.94/x
  3. Step 3: Cross multiply
    3,730.71x = 5,147.04 × 2,136.94
  4. Step 4: Simplify right side
    3,730.71x = 10,998,902.79
  5. Step 5: Solve for x
    x = 10,998,902.79/3,730.71
  6. Step 6: Final answer
    x = 2,948.21

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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.