Home / 3,391.03-4,680.30-2,331.67

Finding the Fourth Proportional to 3,391.03, 4,680.30 and 2,331.67

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Solution

The fourth proportional to 3,391.03, 4,680.30 and 2,331.67 is: 3,218.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391.03 : 4,680.30 = 2,331.67 : x
  2. Step 2: Convert to fraction form
    3,391.03/4,680.30 = 2,331.67/x
  3. Step 3: Cross multiply
    3,391.03x = 4,680.30 × 2,331.67
  4. Step 4: Simplify right side
    3,391.03x = 10,912,915.10
  5. Step 5: Solve for x
    x = 10,912,915.10/3,391.03
  6. Step 6: Final answer
    x = 3,218.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.