Home / 3,390.90-5,073.99-2,800.41

Finding the Fourth Proportional to 3,390.90, 5,073.99 and 2,800.41

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Solution

The fourth proportional to 3,390.90, 5,073.99 and 2,800.41 is: 4,190.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390.90 : 5,073.99 = 2,800.41 : x
  2. Step 2: Convert to fraction form
    3,390.90/5,073.99 = 2,800.41/x
  3. Step 3: Cross multiply
    3,390.90x = 5,073.99 × 2,800.41
  4. Step 4: Simplify right side
    3,390.90x = 14,209,252.34
  5. Step 5: Solve for x
    x = 14,209,252.34/3,390.90
  6. Step 6: Final answer
    x = 4,190.41

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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.