Home / 2,229.02-3,335.63-1,642.63

Finding the Fourth Proportional to 2,229.02, 3,335.63 and 1,642.63

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Solution

The fourth proportional to 2,229.02, 3,335.63 and 1,642.63 is: 2,458.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,229.02 : 3,335.63 = 1,642.63 : x
  2. Step 2: Convert to fraction form
    2,229.02/3,335.63 = 1,642.63/x
  3. Step 3: Cross multiply
    2,229.02x = 3,335.63 × 1,642.63
  4. Step 4: Simplify right side
    2,229.02x = 5,479,204.85
  5. Step 5: Solve for x
    x = 5,479,204.85/2,229.02
  6. Step 6: Final answer
    x = 2,458.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.