Home / 1,935.23-2,902.43-635.99

Finding the Fourth Proportional to 1,935.23, 2,902.43 and 635.99

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Solution

The fourth proportional to 1,935.23, 2,902.43 and 635.99 is: 953.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,935.23 : 2,902.43 = 635.99 : x
  2. Step 2: Convert to fraction form
    1,935.23/2,902.43 = 635.99/x
  3. Step 3: Cross multiply
    1,935.23x = 2,902.43 × 635.99
  4. Step 4: Simplify right side
    1,935.23x = 1,845,903.53
  5. Step 5: Solve for x
    x = 1,845,903.53/1,935.23
  6. Step 6: Final answer
    x = 953.84

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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.