Home / 3,975.85-5,937.79-3,384.55

Finding the Fourth Proportional to 3,975.85, 5,937.79 and 3,384.55

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Solution

The fourth proportional to 3,975.85, 5,937.79 and 3,384.55 is: 5,054.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,975.85 : 5,937.79 = 3,384.55 : x
  2. Step 2: Convert to fraction form
    3,975.85/5,937.79 = 3,384.55/x
  3. Step 3: Cross multiply
    3,975.85x = 5,937.79 × 3,384.55
  4. Step 4: Simplify right side
    3,975.85x = 20,096,752.45
  5. Step 5: Solve for x
    x = 20,096,752.45/3,975.85
  6. Step 6: Final answer
    x = 5,054.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.