Home / 2,817.27-3,887.46-1,698.66

Finding the Fourth Proportional to 2,817.27, 3,887.46 and 1,698.66

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Solution

The fourth proportional to 2,817.27, 3,887.46 and 1,698.66 is: 2,343.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,817.27 : 3,887.46 = 1,698.66 : x
  2. Step 2: Convert to fraction form
    2,817.27/3,887.46 = 1,698.66/x
  3. Step 3: Cross multiply
    2,817.27x = 3,887.46 × 1,698.66
  4. Step 4: Simplify right side
    2,817.27x = 6,603,472.80
  5. Step 5: Solve for x
    x = 6,603,472.80/2,817.27
  6. Step 6: Final answer
    x = 2,343.93

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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.