Home / 1,926.05-2,657.87-1,086.77

Finding the Fourth Proportional to 1,926.05, 2,657.87 and 1,086.77

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Solution

The fourth proportional to 1,926.05, 2,657.87 and 1,086.77 is: 1,499.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926.05 : 2,657.87 = 1,086.77 : x
  2. Step 2: Convert to fraction form
    1,926.05/2,657.87 = 1,086.77/x
  3. Step 3: Cross multiply
    1,926.05x = 2,657.87 × 1,086.77
  4. Step 4: Simplify right side
    1,926.05x = 2,888,487.95
  5. Step 5: Solve for x
    x = 2,888,487.95/1,926.05
  6. Step 6: Final answer
    x = 1,499.70

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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.