Home / 1,486.17-2,051.91-926.73

Finding the Fourth Proportional to 1,486.17, 2,051.91 and 926.73

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Solution

The fourth proportional to 1,486.17, 2,051.91 and 926.73 is: 1,279.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486.17 : 2,051.91 = 926.73 : x
  2. Step 2: Convert to fraction form
    1,486.17/2,051.91 = 926.73/x
  3. Step 3: Cross multiply
    1,486.17x = 2,051.91 × 926.73
  4. Step 4: Simplify right side
    1,486.17x = 1,901,566.55
  5. Step 5: Solve for x
    x = 1,901,566.55/1,486.17
  6. Step 6: Final answer
    x = 1,279.51

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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.