Home / 3,125.37-4,688.07-934.05

Finding the Fourth Proportional to 3,125.37, 4,688.07 and 934.05

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Solution

The fourth proportional to 3,125.37, 4,688.07 and 934.05 is: 1,401.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.37 : 4,688.07 = 934.05 : x
  2. Step 2: Convert to fraction form
    3,125.37/4,688.07 = 934.05/x
  3. Step 3: Cross multiply
    3,125.37x = 4,688.07 × 934.05
  4. Step 4: Simplify right side
    3,125.37x = 4,378,891.78
  5. Step 5: Solve for x
    x = 4,378,891.78/3,125.37
  6. Step 6: Final answer
    x = 1,401.08

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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.