Home / 3,771.14-5,206.87-2,515.16

Finding the Fourth Proportional to 3,771.14, 5,206.87 and 2,515.16

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Solution

The fourth proportional to 3,771.14, 5,206.87 and 2,515.16 is: 3,472.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,771.14 : 5,206.87 = 2,515.16 : x
  2. Step 2: Convert to fraction form
    3,771.14/5,206.87 = 2,515.16/x
  3. Step 3: Cross multiply
    3,771.14x = 5,206.87 × 2,515.16
  4. Step 4: Simplify right side
    3,771.14x = 13,096,085.11
  5. Step 5: Solve for x
    x = 13,096,085.11/3,771.14
  6. Step 6: Final answer
    x = 3,472.71

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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.