Home / 2,983.78-4,475.31-1,523.98

Finding the Fourth Proportional to 2,983.78, 4,475.31 and 1,523.98

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Solution

The fourth proportional to 2,983.78, 4,475.31 and 1,523.98 is: 2,285.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,983.78 : 4,475.31 = 1,523.98 : x
  2. Step 2: Convert to fraction form
    2,983.78/4,475.31 = 1,523.98/x
  3. Step 3: Cross multiply
    2,983.78x = 4,475.31 × 1,523.98
  4. Step 4: Simplify right side
    2,983.78x = 6,820,282.93
  5. Step 5: Solve for x
    x = 6,820,282.93/2,983.78
  6. Step 6: Final answer
    x = 2,285.79

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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.