Home / 3,727.69-5,147.67-2,403.67

Finding the Fourth Proportional to 3,727.69, 5,147.67 and 2,403.67

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Solution

The fourth proportional to 3,727.69, 5,147.67 and 2,403.67 is: 3,319.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,727.69 : 5,147.67 = 2,403.67 : x
  2. Step 2: Convert to fraction form
    3,727.69/5,147.67 = 2,403.67/x
  3. Step 3: Cross multiply
    3,727.69x = 5,147.67 × 2,403.67
  4. Step 4: Simplify right side
    3,727.69x = 12,373,299.95
  5. Step 5: Solve for x
    x = 12,373,299.95/3,727.69
  6. Step 6: Final answer
    x = 3,319.29

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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.