Home / 1,867.26-2,576.82-1,039.26

Finding the Fourth Proportional to 1,867.26, 2,576.82 and 1,039.26

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Solution

The fourth proportional to 1,867.26, 2,576.82 and 1,039.26 is: 1,434.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,867.26 : 2,576.82 = 1,039.26 : x
  2. Step 2: Convert to fraction form
    1,867.26/2,576.82 = 1,039.26/x
  3. Step 3: Cross multiply
    1,867.26x = 2,576.82 × 1,039.26
  4. Step 4: Simplify right side
    1,867.26x = 2,677,985.95
  5. Step 5: Solve for x
    x = 2,677,985.95/1,867.26
  6. Step 6: Final answer
    x = 1,434.18

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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.