Home / 3,710.48-5,557.08-2,172.56

Finding the Fourth Proportional to 3,710.48, 5,557.08 and 2,172.56

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Solution

The fourth proportional to 3,710.48, 5,557.08 and 2,172.56 is: 3,253.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,710.48 : 5,557.08 = 2,172.56 : x
  2. Step 2: Convert to fraction form
    3,710.48/5,557.08 = 2,172.56/x
  3. Step 3: Cross multiply
    3,710.48x = 5,557.08 × 2,172.56
  4. Step 4: Simplify right side
    3,710.48x = 12,073,089.72
  5. Step 5: Solve for x
    x = 12,073,089.72/3,710.48
  6. Step 6: Final answer
    x = 3,253.78

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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.