Home / 2,742.00-3,782.18-1,622.15

Finding the Fourth Proportional to 2,742.00, 3,782.18 and 1,622.15

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Solution

The fourth proportional to 2,742.00, 3,782.18 and 1,622.15 is: 2,237.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,742.00 : 3,782.18 = 1,622.15 : x
  2. Step 2: Convert to fraction form
    2,742.00/3,782.18 = 1,622.15/x
  3. Step 3: Cross multiply
    2,742.00x = 3,782.18 × 1,622.15
  4. Step 4: Simplify right side
    2,742.00x = 6,135,262.61
  5. Step 5: Solve for x
    x = 6,135,262.61/2,742.00
  6. Step 6: Final answer
    x = 2,237.52

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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.