Home / 2,758.22-4,127.00-1,643.56

Finding the Fourth Proportional to 2,758.22, 4,127.00 and 1,643.56

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Solution

The fourth proportional to 2,758.22, 4,127.00 and 1,643.56 is: 2,459.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,758.22 : 4,127.00 = 1,643.56 : x
  2. Step 2: Convert to fraction form
    2,758.22/4,127.00 = 1,643.56/x
  3. Step 3: Cross multiply
    2,758.22x = 4,127.00 × 1,643.56
  4. Step 4: Simplify right side
    2,758.22x = 6,782,953.58
  5. Step 5: Solve for x
    x = 6,782,953.58/2,758.22
  6. Step 6: Final answer
    x = 2,459.18

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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.