Home / 2,726.19-4,086.45-1,262.66

Finding the Fourth Proportional to 2,726.19, 4,086.45 and 1,262.66

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Solution

The fourth proportional to 2,726.19, 4,086.45 and 1,262.66 is: 1,892.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,726.19 : 4,086.45 = 1,262.66 : x
  2. Step 2: Convert to fraction form
    2,726.19/4,086.45 = 1,262.66/x
  3. Step 3: Cross multiply
    2,726.19x = 4,086.45 × 1,262.66
  4. Step 4: Simplify right side
    2,726.19x = 5,159,776.52
  5. Step 5: Solve for x
    x = 5,159,776.52/2,726.19
  6. Step 6: Final answer
    x = 1,892.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.