Home / 2,901.17-4,006.94-1,910.88

Finding the Fourth Proportional to 2,901.17, 4,006.94 and 1,910.88

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Solution

The fourth proportional to 2,901.17, 4,006.94 and 1,910.88 is: 2,639.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,901.17 : 4,006.94 = 1,910.88 : x
  2. Step 2: Convert to fraction form
    2,901.17/4,006.94 = 1,910.88/x
  3. Step 3: Cross multiply
    2,901.17x = 4,006.94 × 1,910.88
  4. Step 4: Simplify right side
    2,901.17x = 7,656,771.95
  5. Step 5: Solve for x
    x = 7,656,771.95/2,901.17
  6. Step 6: Final answer
    x = 2,639.20

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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.