Home / 1,602.29-2,402.39-1,107.31

Finding the Fourth Proportional to 1,602.29, 2,402.39 and 1,107.31

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Solution

The fourth proportional to 1,602.29, 2,402.39 and 1,107.31 is: 1,660.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,602.29 : 2,402.39 = 1,107.31 : x
  2. Step 2: Convert to fraction form
    1,602.29/2,402.39 = 1,107.31/x
  3. Step 3: Cross multiply
    1,602.29x = 2,402.39 × 1,107.31
  4. Step 4: Simplify right side
    1,602.29x = 2,660,190.47
  5. Step 5: Solve for x
    x = 2,660,190.47/1,602.29
  6. Step 6: Final answer
    x = 1,660.24

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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.