Home / 2,242.32-3,363.87-943.68

Finding the Fourth Proportional to 2,242.32, 3,363.87 and 943.68

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Solution

The fourth proportional to 2,242.32, 3,363.87 and 943.68 is: 1,415.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,242.32 : 3,363.87 = 943.68 : x
  2. Step 2: Convert to fraction form
    2,242.32/3,363.87 = 943.68/x
  3. Step 3: Cross multiply
    2,242.32x = 3,363.87 × 943.68
  4. Step 4: Simplify right side
    2,242.32x = 3,174,416.84
  5. Step 5: Solve for x
    x = 3,174,416.84/2,242.32
  6. Step 6: Final answer
    x = 1,415.68

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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.