Home / 3,710.66-5,121.38-2,771.16

Finding the Fourth Proportional to 3,710.66, 5,121.38 and 2,771.16

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Solution

The fourth proportional to 3,710.66, 5,121.38 and 2,771.16 is: 3,824.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,710.66 : 5,121.38 = 2,771.16 : x
  2. Step 2: Convert to fraction form
    3,710.66/5,121.38 = 2,771.16/x
  3. Step 3: Cross multiply
    3,710.66x = 5,121.38 × 2,771.16
  4. Step 4: Simplify right side
    3,710.66x = 14,192,164.34
  5. Step 5: Solve for x
    x = 14,192,164.34/3,710.66
  6. Step 6: Final answer
    x = 3,824.70

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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.