Home / 1,951.02-2,692.82-1,287.93

Finding the Fourth Proportional to 1,951.02, 2,692.82 and 1,287.93

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Solution

The fourth proportional to 1,951.02, 2,692.82 and 1,287.93 is: 1,777.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,951.02 : 2,692.82 = 1,287.93 : x
  2. Step 2: Convert to fraction form
    1,951.02/2,692.82 = 1,287.93/x
  3. Step 3: Cross multiply
    1,951.02x = 2,692.82 × 1,287.93
  4. Step 4: Simplify right side
    1,951.02x = 3,468,163.66
  5. Step 5: Solve for x
    x = 3,468,163.66/1,951.02
  6. Step 6: Final answer
    x = 1,777.62

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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.