Home / 2,926.90-4,039.12-1,600.62

Finding the Fourth Proportional to 2,926.90, 4,039.12 and 1,600.62

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Solution

The fourth proportional to 2,926.90, 4,039.12 and 1,600.62 is: 2,208.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,926.90 : 4,039.12 = 1,600.62 : x
  2. Step 2: Convert to fraction form
    2,926.90/4,039.12 = 1,600.62/x
  3. Step 3: Cross multiply
    2,926.90x = 4,039.12 × 1,600.62
  4. Step 4: Simplify right side
    2,926.90x = 6,465,083.11
  5. Step 5: Solve for x
    x = 6,465,083.11/2,926.90
  6. Step 6: Final answer
    x = 2,208.85

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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.