Home / 2,615.88-3,610.52-1,777.98

Finding the Fourth Proportional to 2,615.88, 3,610.52 and 1,777.98

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Solution

The fourth proportional to 2,615.88, 3,610.52 and 1,777.98 is: 2,454.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,615.88 : 3,610.52 = 1,777.98 : x
  2. Step 2: Convert to fraction form
    2,615.88/3,610.52 = 1,777.98/x
  3. Step 3: Cross multiply
    2,615.88x = 3,610.52 × 1,777.98
  4. Step 4: Simplify right side
    2,615.88x = 6,419,432.35
  5. Step 5: Solve for x
    x = 6,419,432.35/2,615.88
  6. Step 6: Final answer
    x = 2,454.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.