Home / 1,084.26-1,496.35-618.51

Finding the Fourth Proportional to 1,084.26, 1,496.35 and 618.51

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Solution

The fourth proportional to 1,084.26, 1,496.35 and 618.51 is: 853.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,084.26 : 1,496.35 = 618.51 : x
  2. Step 2: Convert to fraction form
    1,084.26/1,496.35 = 618.51/x
  3. Step 3: Cross multiply
    1,084.26x = 1,496.35 × 618.51
  4. Step 4: Simplify right side
    1,084.26x = 925,507.44
  5. Step 5: Solve for x
    x = 925,507.44/1,084.26
  6. Step 6: Final answer
    x = 853.58

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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.