Home / 3,402.05-4,694.90-1,910.00

Finding the Fourth Proportional to 3,402.05, 4,694.90 and 1,910.00

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Solution

The fourth proportional to 3,402.05, 4,694.90 and 1,910.00 is: 2,635.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,402.05 : 4,694.90 = 1,910.00 : x
  2. Step 2: Convert to fraction form
    3,402.05/4,694.90 = 1,910.00/x
  3. Step 3: Cross multiply
    3,402.05x = 4,694.90 × 1,910.00
  4. Step 4: Simplify right side
    3,402.05x = 8,967,261.19
  5. Step 5: Solve for x
    x = 8,967,261.19/3,402.05
  6. Step 6: Final answer
    x = 2,635.84

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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.