Home / 2,181.28-3,272.16-700.63

Finding the Fourth Proportional to 2,181.28, 3,272.16 and 700.63

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Solution

The fourth proportional to 2,181.28, 3,272.16 and 700.63 is: 1,051.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,181.28 : 3,272.16 = 700.63 : x
  2. Step 2: Convert to fraction form
    2,181.28/3,272.16 = 700.63/x
  3. Step 3: Cross multiply
    2,181.28x = 3,272.16 × 700.63
  4. Step 4: Simplify right side
    2,181.28x = 2,292,573.46
  5. Step 5: Solve for x
    x = 2,292,573.46/2,181.28
  6. Step 6: Final answer
    x = 1,051.02

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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.