Home / 3,135.38-4,703.07-1,401.62

Finding the Fourth Proportional to 3,135.38, 4,703.07 and 1,401.62

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Solution

The fourth proportional to 3,135.38, 4,703.07 and 1,401.62 is: 2,102.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.38 : 4,703.07 = 1,401.62 : x
  2. Step 2: Convert to fraction form
    3,135.38/4,703.07 = 1,401.62/x
  3. Step 3: Cross multiply
    3,135.38x = 4,703.07 × 1,401.62
  4. Step 4: Simplify right side
    3,135.38x = 6,591,916.97
  5. Step 5: Solve for x
    x = 6,591,916.97/3,135.38
  6. Step 6: Final answer
    x = 2,102.43

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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.