Home / 2,629-3,943.50-1,090.04

Finding the Fourth Proportional to 2,629, 3,943.50 and 1,090.04

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Solution

The fourth proportional to 2,629, 3,943.50 and 1,090.04 is: 1,635.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,629 : 3,943.50 = 1,090.04 : x
  2. Step 2: Convert to fraction form
    2,629/3,943.50 = 1,090.04/x
  3. Step 3: Cross multiply
    2,629x = 3,943.50 × 1,090.04
  4. Step 4: Simplify right side
    2,629x = 4,298,572.74
  5. Step 5: Solve for x
    x = 4,298,572.74/2,629
  6. Step 6: Final answer
    x = 1,635.06

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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.