Home / 1,926.42-2,882.40-1,143.56

Finding the Fourth Proportional to 1,926.42, 2,882.40 and 1,143.56

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Solution

The fourth proportional to 1,926.42, 2,882.40 and 1,143.56 is: 1,711.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926.42 : 2,882.40 = 1,143.56 : x
  2. Step 2: Convert to fraction form
    1,926.42/2,882.40 = 1,143.56/x
  3. Step 3: Cross multiply
    1,926.42x = 2,882.40 × 1,143.56
  4. Step 4: Simplify right side
    1,926.42x = 3,296,197.34
  5. Step 5: Solve for x
    x = 3,296,197.34/1,926.42
  6. Step 6: Final answer
    x = 1,711.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.