Home / 3,126.08-4,687.70-934.43

Finding the Fourth Proportional to 3,126.08, 4,687.70 and 934.43

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Solution

The fourth proportional to 3,126.08, 4,687.70 and 934.43 is: 1,401.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126.08 : 4,687.70 = 934.43 : x
  2. Step 2: Convert to fraction form
    3,126.08/4,687.70 = 934.43/x
  3. Step 3: Cross multiply
    3,126.08x = 4,687.70 × 934.43
  4. Step 4: Simplify right side
    3,126.08x = 4,380,299.40
  5. Step 5: Solve for x
    x = 4,380,299.40/3,126.08
  6. Step 6: Final answer
    x = 1,401.21

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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.