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Finding the Fourth Proportional to 2,028.76, 2,797.14 and 1,655.36

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Solution

The fourth proportional to 2,028.76, 2,797.14 and 1,655.36 is: 2,282.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,028.76 : 2,797.14 = 1,655.36 : x
  2. Step 2: Convert to fraction form
    2,028.76/2,797.14 = 1,655.36/x
  3. Step 3: Cross multiply
    2,028.76x = 2,797.14 × 1,655.36
  4. Step 4: Simplify right side
    2,028.76x = 4,630,273.67
  5. Step 5: Solve for x
    x = 4,630,273.67/2,028.76
  6. Step 6: Final answer
    x = 2,282.32

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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.