Home / 3,085.92-4,262.24-2,615.36

Finding the Fourth Proportional to 3,085.92, 4,262.24 and 2,615.36

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Solution

The fourth proportional to 3,085.92, 4,262.24 and 2,615.36 is: 3,612.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,085.92 : 4,262.24 = 2,615.36 : x
  2. Step 2: Convert to fraction form
    3,085.92/4,262.24 = 2,615.36/x
  3. Step 3: Cross multiply
    3,085.92x = 4,262.24 × 2,615.36
  4. Step 4: Simplify right side
    3,085.92x = 11,147,292.01
  5. Step 5: Solve for x
    x = 11,147,292.01/3,085.92
  6. Step 6: Final answer
    x = 3,612.31

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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.