Home / 3,017.70-4,162.11-2,618.58

Finding the Fourth Proportional to 3,017.70, 4,162.11 and 2,618.58

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Solution

The fourth proportional to 3,017.70, 4,162.11 and 2,618.58 is: 3,611.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,017.70 : 4,162.11 = 2,618.58 : x
  2. Step 2: Convert to fraction form
    3,017.70/4,162.11 = 2,618.58/x
  3. Step 3: Cross multiply
    3,017.70x = 4,162.11 × 2,618.58
  4. Step 4: Simplify right side
    3,017.70x = 10,898,818.00
  5. Step 5: Solve for x
    x = 10,898,818.00/3,017.70
  6. Step 6: Final answer
    x = 3,611.63

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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.