Home / 3,751.36-5,614.81-2,763.78

Finding the Fourth Proportional to 3,751.36, 5,614.81 and 2,763.78

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Solution

The fourth proportional to 3,751.36, 5,614.81 and 2,763.78 is: 4,136.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,751.36 : 5,614.81 = 2,763.78 : x
  2. Step 2: Convert to fraction form
    3,751.36/5,614.81 = 2,763.78/x
  3. Step 3: Cross multiply
    3,751.36x = 5,614.81 × 2,763.78
  4. Step 4: Simplify right side
    3,751.36x = 15,518,071.62
  5. Step 5: Solve for x
    x = 15,518,071.62/3,751.36
  6. Step 6: Final answer
    x = 4,136.65

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1.5x scale

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.