Home / 2,926.29-4,389.30-2,106.03

Finding the Fourth Proportional to 2,926.29, 4,389.30 and 2,106.03

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Solution

The fourth proportional to 2,926.29, 4,389.30 and 2,106.03 is: 3,158.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,926.29 : 4,389.30 = 2,106.03 : x
  2. Step 2: Convert to fraction form
    2,926.29/4,389.30 = 2,106.03/x
  3. Step 3: Cross multiply
    2,926.29x = 4,389.30 × 2,106.03
  4. Step 4: Simplify right side
    2,926.29x = 9,243,997.48
  5. Step 5: Solve for x
    x = 9,243,997.48/2,926.29
  6. Step 6: Final answer
    x = 3,158.95

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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.