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Finding the Fourth Proportional to 2,610.10, 3,600.08 and 1,615.85

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Solution

The fourth proportional to 2,610.10, 3,600.08 and 1,615.85 is: 2,228.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,610.10 : 3,600.08 = 1,615.85 : x
  2. Step 2: Convert to fraction form
    2,610.10/3,600.08 = 1,615.85/x
  3. Step 3: Cross multiply
    2,610.10x = 3,600.08 × 1,615.85
  4. Step 4: Simplify right side
    2,610.10x = 5,817,189.27
  5. Step 5: Solve for x
    x = 5,817,189.27/2,610.10
  6. Step 6: Final answer
    x = 2,228.72

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1.5x scale

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.