Home / 1,935.50-2,902.37-702.90

Finding the Fourth Proportional to 1,935.50, 2,902.37 and 702.90

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Solution

The fourth proportional to 1,935.50, 2,902.37 and 702.90 is: 1,054.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,935.50 : 2,902.37 = 702.90 : x
  2. Step 2: Convert to fraction form
    1,935.50/2,902.37 = 702.90/x
  3. Step 3: Cross multiply
    1,935.50x = 2,902.37 × 702.90
  4. Step 4: Simplify right side
    1,935.50x = 2,040,072.36
  5. Step 5: Solve for x
    x = 2,040,072.36/1,935.50
  6. Step 6: Final answer
    x = 1,054.03

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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.