Home / 3,125.39-4,688.09-934.05

Finding the Fourth Proportional to 3,125.39, 4,688.09 and 934.05

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Solution

The fourth proportional to 3,125.39, 4,688.09 and 934.05 is: 1,401.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.39 : 4,688.09 = 934.05 : x
  2. Step 2: Convert to fraction form
    3,125.39/4,688.09 = 934.05/x
  3. Step 3: Cross multiply
    3,125.39x = 4,688.09 × 934.05
  4. Step 4: Simplify right side
    3,125.39x = 4,378,905.79
  5. Step 5: Solve for x
    x = 4,378,905.79/3,125.39
  6. Step 6: Final answer
    x = 1,401.08

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Similar ratio
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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.