Home / 1,926.96-2,656.44-1,374

Finding the Fourth Proportional to 1,926.96, 2,656.44 and 1,374

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Solution

The fourth proportional to 1,926.96, 2,656.44 and 1,374 is: 1,894.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926.96 : 2,656.44 = 1,374 : x
  2. Step 2: Convert to fraction form
    1,926.96/2,656.44 = 1,374/x
  3. Step 3: Cross multiply
    1,926.96x = 2,656.44 × 1,374
  4. Step 4: Simplify right side
    1,926.96x = 3,649,948.56
  5. Step 5: Solve for x
    x = 3,649,948.56/1,926.96
  6. Step 6: Final answer
    x = 1,894.15

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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.