Home / 2,335.50-3,223.02-1,287.58

Finding the Fourth Proportional to 2,335.50, 3,223.02 and 1,287.58

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Solution

The fourth proportional to 2,335.50, 3,223.02 and 1,287.58 is: 1,776.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,335.50 : 3,223.02 = 1,287.58 : x
  2. Step 2: Convert to fraction form
    2,335.50/3,223.02 = 1,287.58/x
  3. Step 3: Cross multiply
    2,335.50x = 3,223.02 × 1,287.58
  4. Step 4: Simplify right side
    2,335.50x = 4,149,896.09
  5. Step 5: Solve for x
    x = 4,149,896.09/2,335.50
  6. Step 6: Final answer
    x = 1,776.88

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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.