Home / 3,617.85-4,992.67-2,125.83

Finding the Fourth Proportional to 3,617.85, 4,992.67 and 2,125.83

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Solution

The fourth proportional to 3,617.85, 4,992.67 and 2,125.83 is: 2,933.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.85 : 4,992.67 = 2,125.83 : x
  2. Step 2: Convert to fraction form
    3,617.85/4,992.67 = 2,125.83/x
  3. Step 3: Cross multiply
    3,617.85x = 4,992.67 × 2,125.83
  4. Step 4: Simplify right side
    3,617.85x = 10,613,567.67
  5. Step 5: Solve for x
    x = 10,613,567.67/3,617.85
  6. Step 6: Final answer
    x = 2,933.67

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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.