Home / 3,899.63-5,851.76-1,436.18

Finding the Fourth Proportional to 3,899.63, 5,851.76 and 1,436.18

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Solution

The fourth proportional to 3,899.63, 5,851.76 and 1,436.18 is: 2,155.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,899.63 : 5,851.76 = 1,436.18 : x
  2. Step 2: Convert to fraction form
    3,899.63/5,851.76 = 1,436.18/x
  3. Step 3: Cross multiply
    3,899.63x = 5,851.76 × 1,436.18
  4. Step 4: Simplify right side
    3,899.63x = 8,404,180.68
  5. Step 5: Solve for x
    x = 8,404,180.68/3,899.63
  6. Step 6: Final answer
    x = 2,155.12

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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.