Home / 3,615.23-5,422.55-1,859.25

Finding the Fourth Proportional to 3,615.23, 5,422.55 and 1,859.25

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Solution

The fourth proportional to 3,615.23, 5,422.55 and 1,859.25 is: 2,788.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615.23 : 5,422.55 = 1,859.25 : x
  2. Step 2: Convert to fraction form
    3,615.23/5,422.55 = 1,859.25/x
  3. Step 3: Cross multiply
    3,615.23x = 5,422.55 × 1,859.25
  4. Step 4: Simplify right side
    3,615.23x = 10,081,887.13
  5. Step 5: Solve for x
    x = 10,081,887.13/3,615.23
  6. Step 6: Final answer
    x = 2,788.72

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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.