Home / 2,938.29-4,401.99-2,103.63

Finding the Fourth Proportional to 2,938.29, 4,401.99 and 2,103.63

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Solution

The fourth proportional to 2,938.29, 4,401.99 and 2,103.63 is: 3,151.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938.29 : 4,401.99 = 2,103.63 : x
  2. Step 2: Convert to fraction form
    2,938.29/4,401.99 = 2,103.63/x
  3. Step 3: Cross multiply
    2,938.29x = 4,401.99 × 2,103.63
  4. Step 4: Simplify right side
    2,938.29x = 9,260,158.22
  5. Step 5: Solve for x
    x = 9,260,158.22/2,938.29
  6. Step 6: Final answer
    x = 3,151.55

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1.5x scale

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.