Home / 3,957.30-5,460.93-2,188.89

Finding the Fourth Proportional to 3,957.30, 5,460.93 and 2,188.89

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Solution

The fourth proportional to 3,957.30, 5,460.93 and 2,188.89 is: 3,020.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,957.30 : 5,460.93 = 2,188.89 : x
  2. Step 2: Convert to fraction form
    3,957.30/5,460.93 = 2,188.89/x
  3. Step 3: Cross multiply
    3,957.30x = 5,460.93 × 2,188.89
  4. Step 4: Simplify right side
    3,957.30x = 11,953,375.07
  5. Step 5: Solve for x
    x = 11,953,375.07/3,957.30
  6. Step 6: Final answer
    x = 3,020.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.