Home / 4,220.90-6,331.49-2,029.18

Finding the Fourth Proportional to 4,220.90, 6,331.49 and 2,029.18

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Solution

The fourth proportional to 4,220.90, 6,331.49 and 2,029.18 is: 3,043.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,220.90 : 6,331.49 = 2,029.18 : x
  2. Step 2: Convert to fraction form
    4,220.90/6,331.49 = 2,029.18/x
  3. Step 3: Cross multiply
    4,220.90x = 6,331.49 × 2,029.18
  4. Step 4: Simplify right side
    4,220.90x = 12,847,732.88
  5. Step 5: Solve for x
    x = 12,847,732.88/4,220.90
  6. Step 6: Final answer
    x = 3,043.84

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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.