Home / 3,389.04-5,072.04-1,926

Finding the Fourth Proportional to 3,389.04, 5,072.04 and 1,926

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Solution

The fourth proportional to 3,389.04, 5,072.04 and 1,926 is: 2,882.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,389.04 : 5,072.04 = 1,926 : x
  2. Step 2: Convert to fraction form
    3,389.04/5,072.04 = 1,926/x
  3. Step 3: Cross multiply
    3,389.04x = 5,072.04 × 1,926
  4. Step 4: Simplify right side
    3,389.04x = 9,768,749.04
  5. Step 5: Solve for x
    x = 9,768,749.04/3,389.04
  6. Step 6: Final answer
    x = 2,882.45

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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.