Home / 1,769.26-2,442.72-1,107.10

Finding the Fourth Proportional to 1,769.26, 2,442.72 and 1,107.10

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Solution

The fourth proportional to 1,769.26, 2,442.72 and 1,107.10 is: 1,528.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769.26 : 2,442.72 = 1,107.10 : x
  2. Step 2: Convert to fraction form
    1,769.26/2,442.72 = 1,107.10/x
  3. Step 3: Cross multiply
    1,769.26x = 2,442.72 × 1,107.10
  4. Step 4: Simplify right side
    1,769.26x = 2,704,335.31
  5. Step 5: Solve for x
    x = 2,704,335.31/1,769.26
  6. Step 6: Final answer
    x = 1,528.51

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1.5x scale

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.