Home / 4,138.98-5,711.83-2,370.55

Finding the Fourth Proportional to 4,138.98, 5,711.83 and 2,370.55

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Solution

The fourth proportional to 4,138.98, 5,711.83 and 2,370.55 is: 3,271.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138.98 : 5,711.83 = 2,370.55 : x
  2. Step 2: Convert to fraction form
    4,138.98/5,711.83 = 2,370.55/x
  3. Step 3: Cross multiply
    4,138.98x = 5,711.83 × 2,370.55
  4. Step 4: Simplify right side
    4,138.98x = 13,540,170.25
  5. Step 5: Solve for x
    x = 13,540,170.25/4,138.98
  6. Step 6: Final answer
    x = 3,271.38

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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.