Home / 3,401.39-5,103.07-2,813.67

Finding the Fourth Proportional to 3,401.39, 5,103.07 and 2,813.67

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Solution

The fourth proportional to 3,401.39, 5,103.07 and 2,813.67 is: 4,221.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,401.39 : 5,103.07 = 2,813.67 : x
  2. Step 2: Convert to fraction form
    3,401.39/5,103.07 = 2,813.67/x
  3. Step 3: Cross multiply
    3,401.39x = 5,103.07 × 2,813.67
  4. Step 4: Simplify right side
    3,401.39x = 14,358,347.93
  5. Step 5: Solve for x
    x = 14,358,347.93/3,401.39
  6. Step 6: Final answer
    x = 4,221.31

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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.