Home / 3,306.02-4,562.32-1,890

Finding the Fourth Proportional to 3,306.02, 4,562.32 and 1,890

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Solution

The fourth proportional to 3,306.02, 4,562.32 and 1,890 is: 2,608.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,306.02 : 4,562.32 = 1,890 : x
  2. Step 2: Convert to fraction form
    3,306.02/4,562.32 = 1,890/x
  3. Step 3: Cross multiply
    3,306.02x = 4,562.32 × 1,890
  4. Step 4: Simplify right side
    3,306.02x = 8,622,784.80
  5. Step 5: Solve for x
    x = 8,622,784.80/3,306.02
  6. Step 6: Final answer
    x = 2,608.21

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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.