Home / 2,983.78-4,474.77-1,252.02

Finding the Fourth Proportional to 2,983.78, 4,474.77 and 1,252.02

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Solution

The fourth proportional to 2,983.78, 4,474.77 and 1,252.02 is: 1,877.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,983.78 : 4,474.77 = 1,252.02 : x
  2. Step 2: Convert to fraction form
    2,983.78/4,474.77 = 1,252.02/x
  3. Step 3: Cross multiply
    2,983.78x = 4,474.77 × 1,252.02
  4. Step 4: Simplify right side
    2,983.78x = 5,602,501.54
  5. Step 5: Solve for x
    x = 5,602,501.54/2,983.78
  6. Step 6: Final answer
    x = 1,877.65

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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.