Home / 3,578.85-4,938.87-2,320.41

Finding the Fourth Proportional to 3,578.85, 4,938.87 and 2,320.41

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Solution

The fourth proportional to 3,578.85, 4,938.87 and 2,320.41 is: 3,202.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578.85 : 4,938.87 = 2,320.41 : x
  2. Step 2: Convert to fraction form
    3,578.85/4,938.87 = 2,320.41/x
  3. Step 3: Cross multiply
    3,578.85x = 4,938.87 × 2,320.41
  4. Step 4: Simplify right side
    3,578.85x = 11,460,203.34
  5. Step 5: Solve for x
    x = 11,460,203.34/3,578.85
  6. Step 6: Final answer
    x = 3,202.20

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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.