Home / 3,577.72-4,938.06-2,399.80

Finding the Fourth Proportional to 3,577.72, 4,938.06 and 2,399.80

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Solution

The fourth proportional to 3,577.72, 4,938.06 and 2,399.80 is: 3,312.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,577.72 : 4,938.06 = 2,399.80 : x
  2. Step 2: Convert to fraction form
    3,577.72/4,938.06 = 2,399.80/x
  3. Step 3: Cross multiply
    3,577.72x = 4,938.06 × 2,399.80
  4. Step 4: Simplify right side
    3,577.72x = 11,850,356.39
  5. Step 5: Solve for x
    x = 11,850,356.39/3,577.72
  6. Step 6: Final answer
    x = 3,312.26

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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.