Home / 1,926.32-2,656.20-1,263.44

Finding the Fourth Proportional to 1,926.32, 2,656.20 and 1,263.44

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Solution

The fourth proportional to 1,926.32, 2,656.20 and 1,263.44 is: 1,742.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926.32 : 2,656.20 = 1,263.44 : x
  2. Step 2: Convert to fraction form
    1,926.32/2,656.20 = 1,263.44/x
  3. Step 3: Cross multiply
    1,926.32x = 2,656.20 × 1,263.44
  4. Step 4: Simplify right side
    1,926.32x = 3,355,949.33
  5. Step 5: Solve for x
    x = 3,355,949.33/1,926.32
  6. Step 6: Final answer
    x = 1,742.16

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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.