Home / 3,188.11-4,401.39-2,070.04

Finding the Fourth Proportional to 3,188.11, 4,401.39 and 2,070.04

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Solution

The fourth proportional to 3,188.11, 4,401.39 and 2,070.04 is: 2,857.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188.11 : 4,401.39 = 2,070.04 : x
  2. Step 2: Convert to fraction form
    3,188.11/4,401.39 = 2,070.04/x
  3. Step 3: Cross multiply
    3,188.11x = 4,401.39 × 2,070.04
  4. Step 4: Simplify right side
    3,188.11x = 9,111,053.36
  5. Step 5: Solve for x
    x = 9,111,053.36/3,188.11
  6. Step 6: Final answer
    x = 2,857.82

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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.