Home / 1,910.35-2,635.35-1,246.96

Finding the Fourth Proportional to 1,910.35, 2,635.35 and 1,246.96

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Solution

The fourth proportional to 1,910.35, 2,635.35 and 1,246.96 is: 1,720.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,910.35 : 2,635.35 = 1,246.96 : x
  2. Step 2: Convert to fraction form
    1,910.35/2,635.35 = 1,246.96/x
  3. Step 3: Cross multiply
    1,910.35x = 2,635.35 × 1,246.96
  4. Step 4: Simplify right side
    1,910.35x = 3,286,176.04
  5. Step 5: Solve for x
    x = 3,286,176.04/1,910.35
  6. Step 6: Final answer
    x = 1,720.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.