Home / 3,288.75-4,935.56-1,557.38

Finding the Fourth Proportional to 3,288.75, 4,935.56 and 1,557.38

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Solution

The fourth proportional to 3,288.75, 4,935.56 and 1,557.38 is: 2,337.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,288.75 : 4,935.56 = 1,557.38 : x
  2. Step 2: Convert to fraction form
    3,288.75/4,935.56 = 1,557.38/x
  3. Step 3: Cross multiply
    3,288.75x = 4,935.56 × 1,557.38
  4. Step 4: Simplify right side
    3,288.75x = 7,686,509.97
  5. Step 5: Solve for x
    x = 7,686,509.97/3,288.75
  6. Step 6: Final answer
    x = 2,337.21

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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.