Home / 1,935.55-2,903.12-702.91

Finding the Fourth Proportional to 1,935.55, 2,903.12 and 702.91

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Solution

The fourth proportional to 1,935.55, 2,903.12 and 702.91 is: 1,054.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,935.55 : 2,903.12 = 702.91 : x
  2. Step 2: Convert to fraction form
    1,935.55/2,903.12 = 702.91/x
  3. Step 3: Cross multiply
    1,935.55x = 2,903.12 × 702.91
  4. Step 4: Simplify right side
    1,935.55x = 2,040,614.05
  5. Step 5: Solve for x
    x = 2,040,614.05/1,935.55
  6. Step 6: Final answer
    x = 1,054.28

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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.