Home / 1,930.17-2,664.27-1,173.95

Finding the Fourth Proportional to 1,930.17, 2,664.27 and 1,173.95

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Solution

The fourth proportional to 1,930.17, 2,664.27 and 1,173.95 is: 1,620.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930.17 : 2,664.27 = 1,173.95 : x
  2. Step 2: Convert to fraction form
    1,930.17/2,664.27 = 1,173.95/x
  3. Step 3: Cross multiply
    1,930.17x = 2,664.27 × 1,173.95
  4. Step 4: Simplify right side
    1,930.17x = 3,127,706.45
  5. Step 5: Solve for x
    x = 3,127,706.45/1,930.17
  6. Step 6: Final answer
    x = 1,620.43

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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.