Home / 1,635.19-2,449.44-1,360.40

Finding the Fourth Proportional to 1,635.19, 2,449.44 and 1,360.40

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Solution

The fourth proportional to 1,635.19, 2,449.44 and 1,360.40 is: 2,037.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635.19 : 2,449.44 = 1,360.40 : x
  2. Step 2: Convert to fraction form
    1,635.19/2,449.44 = 1,360.40/x
  3. Step 3: Cross multiply
    1,635.19x = 2,449.44 × 1,360.40
  4. Step 4: Simplify right side
    1,635.19x = 3,332,205.93
  5. Step 5: Solve for x
    x = 3,332,205.93/1,635.19
  6. Step 6: Final answer
    x = 2,037.81

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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.