Home / 2,938.47-4,401.96-1,549.72

Finding the Fourth Proportional to 2,938.47, 4,401.96 and 1,549.72

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Solution

The fourth proportional to 2,938.47, 4,401.96 and 1,549.72 is: 2,321.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938.47 : 4,401.96 = 1,549.72 : x
  2. Step 2: Convert to fraction form
    2,938.47/4,401.96 = 1,549.72/x
  3. Step 3: Cross multiply
    2,938.47x = 4,401.96 × 1,549.72
  4. Step 4: Simplify right side
    2,938.47x = 6,821,805.45
  5. Step 5: Solve for x
    x = 6,821,805.45/2,938.47
  6. Step 6: Final answer
    x = 2,321.55

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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.