Home / 1,207.27-1,810.87-341.58

Finding the Fourth Proportional to 1,207.27, 1,810.87 and 341.58

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Solution

The fourth proportional to 1,207.27, 1,810.87 and 341.58 is: 512.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207.27 : 1,810.87 = 341.58 : x
  2. Step 2: Convert to fraction form
    1,207.27/1,810.87 = 341.58/x
  3. Step 3: Cross multiply
    1,207.27x = 1,810.87 × 341.58
  4. Step 4: Simplify right side
    1,207.27x = 618,556.97
  5. Step 5: Solve for x
    x = 618,556.97/1,207.27
  6. Step 6: Final answer
    x = 512.36

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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.