Home / 2,335.96-3,223.66-1,288.02

Finding the Fourth Proportional to 2,335.96, 3,223.66 and 1,288.02

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Solution

The fourth proportional to 2,335.96, 3,223.66 and 1,288.02 is: 1,777.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,335.96 : 3,223.66 = 1,288.02 : x
  2. Step 2: Convert to fraction form
    2,335.96/3,223.66 = 1,288.02/x
  3. Step 3: Cross multiply
    2,335.96x = 3,223.66 × 1,288.02
  4. Step 4: Simplify right side
    2,335.96x = 4,152,138.55
  5. Step 5: Solve for x
    x = 4,152,138.55/2,335.96
  6. Step 6: Final answer
    x = 1,777.49

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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.