Home / 2,943.66-4,408.18-1,642.38

Finding the Fourth Proportional to 2,943.66, 4,408.18 and 1,642.38

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Solution

The fourth proportional to 2,943.66, 4,408.18 and 1,642.38 is: 2,459.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,943.66 : 4,408.18 = 1,642.38 : x
  2. Step 2: Convert to fraction form
    2,943.66/4,408.18 = 1,642.38/x
  3. Step 3: Cross multiply
    2,943.66x = 4,408.18 × 1,642.38
  4. Step 4: Simplify right side
    2,943.66x = 7,239,906.67
  5. Step 5: Solve for x
    x = 7,239,906.67/2,943.66
  6. Step 6: Final answer
    x = 2,459.49

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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.