Home / 3,477.40-5,217.18-3,109.84

Finding the Fourth Proportional to 3,477.40, 5,217.18 and 3,109.84

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Solution

The fourth proportional to 3,477.40, 5,217.18 and 3,109.84 is: 4,665.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,477.40 : 5,217.18 = 3,109.84 : x
  2. Step 2: Convert to fraction form
    3,477.40/5,217.18 = 3,109.84/x
  3. Step 3: Cross multiply
    3,477.40x = 5,217.18 × 3,109.84
  4. Step 4: Simplify right side
    3,477.40x = 16,224,595.05
  5. Step 5: Solve for x
    x = 16,224,595.05/3,477.40
  6. Step 6: Final answer
    x = 4,665.73

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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.