Home / 1,926.02-2,657.92-1,086.73

Finding the Fourth Proportional to 1,926.02, 2,657.92 and 1,086.73

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Solution

The fourth proportional to 1,926.02, 2,657.92 and 1,086.73 is: 1,499.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926.02 : 2,657.92 = 1,086.73 : x
  2. Step 2: Convert to fraction form
    1,926.02/2,657.92 = 1,086.73/x
  3. Step 3: Cross multiply
    1,926.02x = 2,657.92 × 1,086.73
  4. Step 4: Simplify right side
    1,926.02x = 2,888,441.40
  5. Step 5: Solve for x
    x = 2,888,441.40/1,926.02
  6. Step 6: Final answer
    x = 1,499.69

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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.