Home / 2,134.48-3,202.35-1,291.12

Finding the Fourth Proportional to 2,134.48, 3,202.35 and 1,291.12

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Solution

The fourth proportional to 2,134.48, 3,202.35 and 1,291.12 is: 1,937.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,134.48 : 3,202.35 = 1,291.12 : x
  2. Step 2: Convert to fraction form
    2,134.48/3,202.35 = 1,291.12/x
  3. Step 3: Cross multiply
    2,134.48x = 3,202.35 × 1,291.12
  4. Step 4: Simplify right side
    2,134.48x = 4,134,618.13
  5. Step 5: Solve for x
    x = 4,134,618.13/2,134.48
  6. Step 6: Final answer
    x = 1,937.06

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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.