Home / 2,028.70-2,796.96-1,655.02

Finding the Fourth Proportional to 2,028.70, 2,796.96 and 1,655.02

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Solution

The fourth proportional to 2,028.70, 2,796.96 and 1,655.02 is: 2,281.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,028.70 : 2,796.96 = 1,655.02 : x
  2. Step 2: Convert to fraction form
    2,028.70/2,796.96 = 1,655.02/x
  3. Step 3: Cross multiply
    2,028.70x = 2,796.96 × 1,655.02
  4. Step 4: Simplify right side
    2,028.70x = 4,629,024.74
  5. Step 5: Solve for x
    x = 4,629,024.74/2,028.70
  6. Step 6: Final answer
    x = 2,281.77

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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.