Home / 2,899.49-3,999.31-1,851.08

Finding the Fourth Proportional to 2,899.49, 3,999.31 and 1,851.08

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Solution

The fourth proportional to 2,899.49, 3,999.31 and 1,851.08 is: 2,553.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,899.49 : 3,999.31 = 1,851.08 : x
  2. Step 2: Convert to fraction form
    2,899.49/3,999.31 = 1,851.08/x
  3. Step 3: Cross multiply
    2,899.49x = 3,999.31 × 1,851.08
  4. Step 4: Simplify right side
    2,899.49x = 7,403,018.13
  5. Step 5: Solve for x
    x = 7,403,018.13/2,899.49
  6. Step 6: Final answer
    x = 2,553.22

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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.