Home / 1,935.16-2,901.54-636.28

Finding the Fourth Proportional to 1,935.16, 2,901.54 and 636.28

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Solution

The fourth proportional to 1,935.16, 2,901.54 and 636.28 is: 954.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,935.16 : 2,901.54 = 636.28 : x
  2. Step 2: Convert to fraction form
    1,935.16/2,901.54 = 636.28/x
  3. Step 3: Cross multiply
    1,935.16x = 2,901.54 × 636.28
  4. Step 4: Simplify right side
    1,935.16x = 1,846,191.87
  5. Step 5: Solve for x
    x = 1,846,191.87/1,935.16
  6. Step 6: Final answer
    x = 954.03

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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.