Home / 2,166.24-3,245.72-2,085.24

Finding the Fourth Proportional to 2,166.24, 3,245.72 and 2,085.24

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Solution

The fourth proportional to 2,166.24, 3,245.72 and 2,085.24 is: 3,124.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166.24 : 3,245.72 = 2,085.24 : x
  2. Step 2: Convert to fraction form
    2,166.24/3,245.72 = 2,085.24/x
  3. Step 3: Cross multiply
    2,166.24x = 3,245.72 × 2,085.24
  4. Step 4: Simplify right side
    2,166.24x = 6,768,105.17
  5. Step 5: Solve for x
    x = 6,768,105.17/2,166.24
  6. Step 6: Final answer
    x = 3,124.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.