Home / 1,354.20-2,027.66-1,190.18

Finding the Fourth Proportional to 1,354.20, 2,027.66 and 1,190.18

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Solution

The fourth proportional to 1,354.20, 2,027.66 and 1,190.18 is: 1,782.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354.20 : 2,027.66 = 1,190.18 : x
  2. Step 2: Convert to fraction form
    1,354.20/2,027.66 = 1,190.18/x
  3. Step 3: Cross multiply
    1,354.20x = 2,027.66 × 1,190.18
  4. Step 4: Simplify right side
    1,354.20x = 2,413,264.29
  5. Step 5: Solve for x
    x = 2,413,264.29/1,354.20
  6. Step 6: Final answer
    x = 1,782.06

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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.