Home / 2,749.32-4,119.12-1,822.68

Finding the Fourth Proportional to 2,749.32, 4,119.12 and 1,822.68

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Solution

The fourth proportional to 2,749.32, 4,119.12 and 1,822.68 is: 2,730.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,749.32 : 4,119.12 = 1,822.68 : x
  2. Step 2: Convert to fraction form
    2,749.32/4,119.12 = 1,822.68/x
  3. Step 3: Cross multiply
    2,749.32x = 4,119.12 × 1,822.68
  4. Step 4: Simplify right side
    2,749.32x = 7,507,837.64
  5. Step 5: Solve for x
    x = 7,507,837.64/2,749.32
  6. Step 6: Final answer
    x = 2,730.80

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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.