Home / 3,125.99-4,688.28-934.43

Finding the Fourth Proportional to 3,125.99, 4,688.28 and 934.43

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Solution

The fourth proportional to 3,125.99, 4,688.28 and 934.43 is: 1,401.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.99 : 4,688.28 = 934.43 : x
  2. Step 2: Convert to fraction form
    3,125.99/4,688.28 = 934.43/x
  3. Step 3: Cross multiply
    3,125.99x = 4,688.28 × 934.43
  4. Step 4: Simplify right side
    3,125.99x = 4,380,863.62
  5. Step 5: Solve for x
    x = 4,380,863.62/3,125.99
  6. Step 6: Final answer
    x = 1,401.43

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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.