Home / 2,336.07-3,223.77-1,288.13

Finding the Fourth Proportional to 2,336.07, 3,223.77 and 1,288.13

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Solution

The fourth proportional to 2,336.07, 3,223.77 and 1,288.13 is: 1,777.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,336.07 : 3,223.77 = 1,288.13 : x
  2. Step 2: Convert to fraction form
    2,336.07/3,223.77 = 1,288.13/x
  3. Step 3: Cross multiply
    2,336.07x = 3,223.77 × 1,288.13
  4. Step 4: Simplify right side
    2,336.07x = 4,152,618.73
  5. Step 5: Solve for x
    x = 4,152,618.73/2,336.07
  6. Step 6: Final answer
    x = 1,777.61

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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.