Home / 3,617.32-5,421.66-1,667.56

Finding the Fourth Proportional to 3,617.32, 5,421.66 and 1,667.56

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Solution

The fourth proportional to 3,617.32, 5,421.66 and 1,667.56 is: 2,499.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.32 : 5,421.66 = 1,667.56 : x
  2. Step 2: Convert to fraction form
    3,617.32/5,421.66 = 1,667.56/x
  3. Step 3: Cross multiply
    3,617.32x = 5,421.66 × 1,667.56
  4. Step 4: Simplify right side
    3,617.32x = 9,040,943.35
  5. Step 5: Solve for x
    x = 9,040,943.35/3,617.32
  6. Step 6: Final answer
    x = 2,499.35

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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.