Home / 1,935.28-2,901.84-636.04

Finding the Fourth Proportional to 1,935.28, 2,901.84 and 636.04

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Solution

The fourth proportional to 1,935.28, 2,901.84 and 636.04 is: 953.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,935.28 : 2,901.84 = 636.04 : x
  2. Step 2: Convert to fraction form
    1,935.28/2,901.84 = 636.04/x
  3. Step 3: Cross multiply
    1,935.28x = 2,901.84 × 636.04
  4. Step 4: Simplify right side
    1,935.28x = 1,845,686.31
  5. Step 5: Solve for x
    x = 1,845,686.31/1,935.28
  6. Step 6: Final answer
    x = 953.71

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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.