Home / 3,109.11-4,652.49-2,285.34

Finding the Fourth Proportional to 3,109.11, 4,652.49 and 2,285.34

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Solution

The fourth proportional to 3,109.11, 4,652.49 and 2,285.34 is: 3,419.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109.11 : 4,652.49 = 2,285.34 : x
  2. Step 2: Convert to fraction form
    3,109.11/4,652.49 = 2,285.34/x
  3. Step 3: Cross multiply
    3,109.11x = 4,652.49 × 2,285.34
  4. Step 4: Simplify right side
    3,109.11x = 10,632,521.50
  5. Step 5: Solve for x
    x = 10,632,521.50/3,109.11
  6. Step 6: Final answer
    x = 3,419.80

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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.