Home / 2,174.22-3,261.28-530.76

Finding the Fourth Proportional to 2,174.22, 3,261.28 and 530.76

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Solution

The fourth proportional to 2,174.22, 3,261.28 and 530.76 is: 796.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,174.22 : 3,261.28 = 530.76 : x
  2. Step 2: Convert to fraction form
    2,174.22/3,261.28 = 530.76/x
  3. Step 3: Cross multiply
    2,174.22x = 3,261.28 × 530.76
  4. Step 4: Simplify right side
    2,174.22x = 1,730,956.97
  5. Step 5: Solve for x
    x = 1,730,956.97/2,174.22
  6. Step 6: Final answer
    x = 796.13

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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.