Home / 1,282.02-1,768.18-927.99

Finding the Fourth Proportional to 1,282.02, 1,768.18 and 927.99

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Solution

The fourth proportional to 1,282.02, 1,768.18 and 927.99 is: 1,279.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282.02 : 1,768.18 = 927.99 : x
  2. Step 2: Convert to fraction form
    1,282.02/1,768.18 = 927.99/x
  3. Step 3: Cross multiply
    1,282.02x = 1,768.18 × 927.99
  4. Step 4: Simplify right side
    1,282.02x = 1,640,853.25
  5. Step 5: Solve for x
    x = 1,640,853.25/1,282.02
  6. Step 6: Final answer
    x = 1,279.90

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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.