Home / 3,740.45-5,614.78-1,550.72

Finding the Fourth Proportional to 3,740.45, 5,614.78 and 1,550.72

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Solution

The fourth proportional to 3,740.45, 5,614.78 and 1,550.72 is: 2,327.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,740.45 : 5,614.78 = 1,550.72 : x
  2. Step 2: Convert to fraction form
    3,740.45/5,614.78 = 1,550.72/x
  3. Step 3: Cross multiply
    3,740.45x = 5,614.78 × 1,550.72
  4. Step 4: Simplify right side
    3,740.45x = 8,706,943.65
  5. Step 5: Solve for x
    x = 8,706,943.65/3,740.45
  6. Step 6: Final answer
    x = 2,327.78

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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.