Home / 3,615.47-5,422.30-1,739.51

Finding the Fourth Proportional to 3,615.47, 5,422.30 and 1,739.51

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Solution

The fourth proportional to 3,615.47, 5,422.30 and 1,739.51 is: 2,608.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615.47 : 5,422.30 = 1,739.51 : x
  2. Step 2: Convert to fraction form
    3,615.47/5,422.30 = 1,739.51/x
  3. Step 3: Cross multiply
    3,615.47x = 5,422.30 × 1,739.51
  4. Step 4: Simplify right side
    3,615.47x = 9,432,133.95
  5. Step 5: Solve for x
    x = 9,432,133.95/3,615.47
  6. Step 6: Final answer
    x = 2,608.83

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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.