Home / 1,926.38-2,657.58-1,263.08

Finding the Fourth Proportional to 1,926.38, 2,657.58 and 1,263.08

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Solution

The fourth proportional to 1,926.38, 2,657.58 and 1,263.08 is: 1,742.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926.38 : 2,657.58 = 1,263.08 : x
  2. Step 2: Convert to fraction form
    1,926.38/2,657.58 = 1,263.08/x
  3. Step 3: Cross multiply
    1,926.38x = 2,657.58 × 1,263.08
  4. Step 4: Simplify right side
    1,926.38x = 3,356,736.15
  5. Step 5: Solve for x
    x = 3,356,736.15/1,926.38
  6. Step 6: Final answer
    x = 1,742.51

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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.