Home / 1,652.58-2,276.82-1,278.27

Finding the Fourth Proportional to 1,652.58, 2,276.82 and 1,278.27

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Solution

The fourth proportional to 1,652.58, 2,276.82 and 1,278.27 is: 1,761.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,652.58 : 2,276.82 = 1,278.27 : x
  2. Step 2: Convert to fraction form
    1,652.58/2,276.82 = 1,278.27/x
  3. Step 3: Cross multiply
    1,652.58x = 2,276.82 × 1,278.27
  4. Step 4: Simplify right side
    1,652.58x = 2,910,390.70
  5. Step 5: Solve for x
    x = 2,910,390.70/1,652.58
  6. Step 6: Final answer
    x = 1,761.12

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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.