Home / 2,174.07-3,261.09-530.61

Finding the Fourth Proportional to 2,174.07, 3,261.09 and 530.61

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Solution

The fourth proportional to 2,174.07, 3,261.09 and 530.61 is: 795.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,174.07 : 3,261.09 = 530.61 : x
  2. Step 2: Convert to fraction form
    2,174.07/3,261.09 = 530.61/x
  3. Step 3: Cross multiply
    2,174.07x = 3,261.09 × 530.61
  4. Step 4: Simplify right side
    2,174.07x = 1,730,366.96
  5. Step 5: Solve for x
    x = 1,730,366.96/2,174.07
  6. Step 6: Final answer
    x = 795.91

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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.