Home / 2,181.17-3,272.36-948.69

Finding the Fourth Proportional to 2,181.17, 3,272.36 and 948.69

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Solution

The fourth proportional to 2,181.17, 3,272.36 and 948.69 is: 1,423.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,181.17 : 3,272.36 = 948.69 : x
  2. Step 2: Convert to fraction form
    2,181.17/3,272.36 = 948.69/x
  3. Step 3: Cross multiply
    2,181.17x = 3,272.36 × 948.69
  4. Step 4: Simplify right side
    2,181.17x = 3,104,450.46
  5. Step 5: Solve for x
    x = 3,104,450.46/2,181.17
  6. Step 6: Final answer
    x = 1,423.30

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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.