Home / 1,858.29-2,564.82-1,072.23

Finding the Fourth Proportional to 1,858.29, 2,564.82 and 1,072.23

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Solution

The fourth proportional to 1,858.29, 2,564.82 and 1,072.23 is: 1,479.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,858.29 : 2,564.82 = 1,072.23 : x
  2. Step 2: Convert to fraction form
    1,858.29/2,564.82 = 1,072.23/x
  3. Step 3: Cross multiply
    1,858.29x = 2,564.82 × 1,072.23
  4. Step 4: Simplify right side
    1,858.29x = 2,750,076.95
  5. Step 5: Solve for x
    x = 2,750,076.95/1,858.29
  6. Step 6: Final answer
    x = 1,479.90

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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.