Home / 2,391.63-3,583.66-1,845.15

Finding the Fourth Proportional to 2,391.63, 3,583.66 and 1,845.15

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Solution

The fourth proportional to 2,391.63, 3,583.66 and 1,845.15 is: 2,764.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,391.63 : 3,583.66 = 1,845.15 : x
  2. Step 2: Convert to fraction form
    2,391.63/3,583.66 = 1,845.15/x
  3. Step 3: Cross multiply
    2,391.63x = 3,583.66 × 1,845.15
  4. Step 4: Simplify right side
    2,391.63x = 6,612,390.25
  5. Step 5: Solve for x
    x = 6,612,390.25/2,391.63
  6. Step 6: Final answer
    x = 2,764.80

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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.