Home / 2,174.04-3,261.60-876.96

Finding the Fourth Proportional to 2,174.04, 3,261.60 and 876.96

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Solution

The fourth proportional to 2,174.04, 3,261.60 and 876.96 is: 1,315.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,174.04 : 3,261.60 = 876.96 : x
  2. Step 2: Convert to fraction form
    2,174.04/3,261.60 = 876.96/x
  3. Step 3: Cross multiply
    2,174.04x = 3,261.60 × 876.96
  4. Step 4: Simplify right side
    2,174.04x = 2,860,292.74
  5. Step 5: Solve for x
    x = 2,860,292.74/2,174.04
  6. Step 6: Final answer
    x = 1,315.66

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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.