Home / 3,574.56-4,932-2,177.12

Finding the Fourth Proportional to 3,574.56, 4,932 and 2,177.12

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Solution

The fourth proportional to 3,574.56, 4,932 and 2,177.12 is: 3,003.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,574.56 : 4,932 = 2,177.12 : x
  2. Step 2: Convert to fraction form
    3,574.56/4,932 = 2,177.12/x
  3. Step 3: Cross multiply
    3,574.56x = 4,932 × 2,177.12
  4. Step 4: Simplify right side
    3,574.56x = 10,737,555.84
  5. Step 5: Solve for x
    x = 10,737,555.84/3,574.56
  6. Step 6: Final answer
    x = 3,003.88

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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.