Home / 2,354.24-3,530.75-1,119.20

Finding the Fourth Proportional to 2,354.24, 3,530.75 and 1,119.20

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Solution

The fourth proportional to 2,354.24, 3,530.75 and 1,119.20 is: 1,678.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,354.24 : 3,530.75 = 1,119.20 : x
  2. Step 2: Convert to fraction form
    2,354.24/3,530.75 = 1,119.20/x
  3. Step 3: Cross multiply
    2,354.24x = 3,530.75 × 1,119.20
  4. Step 4: Simplify right side
    2,354.24x = 3,951,615.40
  5. Step 5: Solve for x
    x = 3,951,615.40/2,354.24
  6. Step 6: Final answer
    x = 1,678.51

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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.