Home / 3,888.02-5,828.00-2,218.58

Finding the Fourth Proportional to 3,888.02, 5,828.00 and 2,218.58

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Solution

The fourth proportional to 3,888.02, 5,828.00 and 2,218.58 is: 3,325.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,888.02 : 5,828.00 = 2,218.58 : x
  2. Step 2: Convert to fraction form
    3,888.02/5,828.00 = 2,218.58/x
  3. Step 3: Cross multiply
    3,888.02x = 5,828.00 × 2,218.58
  4. Step 4: Simplify right side
    3,888.02x = 12,929,844.01
  5. Step 5: Solve for x
    x = 12,929,844.01/3,888.02
  6. Step 6: Final answer
    x = 3,325.56

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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.