Home / 2,360.40-3,540.60-2,109.30

Finding the Fourth Proportional to 2,360.40, 3,540.60 and 2,109.30

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Solution

The fourth proportional to 2,360.40, 3,540.60 and 2,109.30 is: 3,163.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,360.40 : 3,540.60 = 2,109.30 : x
  2. Step 2: Convert to fraction form
    2,360.40/3,540.60 = 2,109.30/x
  3. Step 3: Cross multiply
    2,360.40x = 3,540.60 × 2,109.30
  4. Step 4: Simplify right side
    2,360.40x = 7,468,187.58
  5. Step 5: Solve for x
    x = 7,468,187.58/2,360.40
  6. Step 6: Final answer
    x = 3,163.95

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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.