Home / 3,281.02-4,921.77-1,333.26

Finding the Fourth Proportional to 3,281.02, 4,921.77 and 1,333.26

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Solution

The fourth proportional to 3,281.02, 4,921.77 and 1,333.26 is: 1,999.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281.02 : 4,921.77 = 1,333.26 : x
  2. Step 2: Convert to fraction form
    3,281.02/4,921.77 = 1,333.26/x
  3. Step 3: Cross multiply
    3,281.02x = 4,921.77 × 1,333.26
  4. Step 4: Simplify right side
    3,281.02x = 6,561,999.07
  5. Step 5: Solve for x
    x = 6,561,999.07/3,281.02
  6. Step 6: Final answer
    x = 1,999.99

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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.