Home / 1,769.10-2,442.24-1,369.87

Finding the Fourth Proportional to 1,769.10, 2,442.24 and 1,369.87

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Solution

The fourth proportional to 1,769.10, 2,442.24 and 1,369.87 is: 1,891.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769.10 : 2,442.24 = 1,369.87 : x
  2. Step 2: Convert to fraction form
    1,769.10/2,442.24 = 1,369.87/x
  3. Step 3: Cross multiply
    1,769.10x = 2,442.24 × 1,369.87
  4. Step 4: Simplify right side
    1,769.10x = 3,345,532.25
  5. Step 5: Solve for x
    x = 3,345,532.25/1,769.10
  6. Step 6: Final answer
    x = 1,891.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.