Home / 2,336.50-3,224.44-1,288.63

Finding the Fourth Proportional to 2,336.50, 3,224.44 and 1,288.63

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Solution

The fourth proportional to 2,336.50, 3,224.44 and 1,288.63 is: 1,778.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,336.50 : 3,224.44 = 1,288.63 : x
  2. Step 2: Convert to fraction form
    2,336.50/3,224.44 = 1,288.63/x
  3. Step 3: Cross multiply
    2,336.50x = 3,224.44 × 1,288.63
  4. Step 4: Simplify right side
    2,336.50x = 4,155,110.12
  5. Step 5: Solve for x
    x = 4,155,110.12/2,336.50
  6. Step 6: Final answer
    x = 1,778.35

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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.