Home / 2,611.10-3,601.87-1,615.75

Finding the Fourth Proportional to 2,611.10, 3,601.87 and 1,615.75

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Solution

The fourth proportional to 2,611.10, 3,601.87 and 1,615.75 is: 2,228.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,611.10 : 3,601.87 = 1,615.75 : x
  2. Step 2: Convert to fraction form
    2,611.10/3,601.87 = 1,615.75/x
  3. Step 3: Cross multiply
    2,611.10x = 3,601.87 × 1,615.75
  4. Step 4: Simplify right side
    2,611.10x = 5,819,708.41
  5. Step 5: Solve for x
    x = 5,819,708.41/2,611.10
  6. Step 6: Final answer
    x = 2,228.83

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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.