Home / 3,851.02-5,772.48-1,899.19

Finding the Fourth Proportional to 3,851.02, 5,772.48 and 1,899.19

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Solution

The fourth proportional to 3,851.02, 5,772.48 and 1,899.19 is: 2,846.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851.02 : 5,772.48 = 1,899.19 : x
  2. Step 2: Convert to fraction form
    3,851.02/5,772.48 = 1,899.19/x
  3. Step 3: Cross multiply
    3,851.02x = 5,772.48 × 1,899.19
  4. Step 4: Simplify right side
    3,851.02x = 10,963,036.29
  5. Step 5: Solve for x
    x = 10,963,036.29/3,851.02
  6. Step 6: Final answer
    x = 2,846.79

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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.