Home / 3,190.90-4,776.11-1,706.41

Finding the Fourth Proportional to 3,190.90, 4,776.11 and 1,706.41

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Solution

The fourth proportional to 3,190.90, 4,776.11 and 1,706.41 is: 2,554.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.90 : 4,776.11 = 1,706.41 : x
  2. Step 2: Convert to fraction form
    3,190.90/4,776.11 = 1,706.41/x
  3. Step 3: Cross multiply
    3,190.90x = 4,776.11 × 1,706.41
  4. Step 4: Simplify right side
    3,190.90x = 8,150,001.87
  5. Step 5: Solve for x
    x = 8,150,001.87/3,190.90
  6. Step 6: Final answer
    x = 2,554.14

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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.