Home / 2,615.09-3,923.84-1,627.64

Finding the Fourth Proportional to 2,615.09, 3,923.84 and 1,627.64

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Solution

The fourth proportional to 2,615.09, 3,923.84 and 1,627.64 is: 2,442.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,615.09 : 3,923.84 = 1,627.64 : x
  2. Step 2: Convert to fraction form
    2,615.09/3,923.84 = 1,627.64/x
  3. Step 3: Cross multiply
    2,615.09x = 3,923.84 × 1,627.64
  4. Step 4: Simplify right side
    2,615.09x = 6,386,620.17
  5. Step 5: Solve for x
    x = 6,386,620.17/2,615.09
  6. Step 6: Final answer
    x = 2,442.22

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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.