Home / 1,540.19-2,310.80-845.93

Finding the Fourth Proportional to 1,540.19, 2,310.80 and 845.93

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Solution

The fourth proportional to 1,540.19, 2,310.80 and 845.93 is: 1,269.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540.19 : 2,310.80 = 845.93 : x
  2. Step 2: Convert to fraction form
    1,540.19/2,310.80 = 845.93/x
  3. Step 3: Cross multiply
    1,540.19x = 2,310.80 × 845.93
  4. Step 4: Simplify right side
    1,540.19x = 1,954,759.26
  5. Step 5: Solve for x
    x = 1,954,759.26/1,540.19
  6. Step 6: Final answer
    x = 1,269.17

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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.