Home / 3,778.11-5,667.26-1,313.01

Finding the Fourth Proportional to 3,778.11, 5,667.26 and 1,313.01

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Solution

The fourth proportional to 3,778.11, 5,667.26 and 1,313.01 is: 1,969.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,778.11 : 5,667.26 = 1,313.01 : x
  2. Step 2: Convert to fraction form
    3,778.11/5,667.26 = 1,313.01/x
  3. Step 3: Cross multiply
    3,778.11x = 5,667.26 × 1,313.01
  4. Step 4: Simplify right side
    3,778.11x = 7,441,162.49
  5. Step 5: Solve for x
    x = 7,441,162.49/3,778.11
  6. Step 6: Final answer
    x = 1,969.55

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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.