Home / 1,935.42-2,903.46-702.90

Finding the Fourth Proportional to 1,935.42, 2,903.46 and 702.90

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Solution

The fourth proportional to 1,935.42, 2,903.46 and 702.90 is: 1,054.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,935.42 : 2,903.46 = 702.90 : x
  2. Step 2: Convert to fraction form
    1,935.42/2,903.46 = 702.90/x
  3. Step 3: Cross multiply
    1,935.42x = 2,903.46 × 702.90
  4. Step 4: Simplify right side
    1,935.42x = 2,040,842.03
  5. Step 5: Solve for x
    x = 2,040,842.03/1,935.42
  6. Step 6: Final answer
    x = 1,054.47

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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.