Home / 2,857.02-3,941.19-1,807.26

Finding the Fourth Proportional to 2,857.02, 3,941.19 and 1,807.26

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Solution

The fourth proportional to 2,857.02, 3,941.19 and 1,807.26 is: 2,493.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,857.02 : 3,941.19 = 1,807.26 : x
  2. Step 2: Convert to fraction form
    2,857.02/3,941.19 = 1,807.26/x
  3. Step 3: Cross multiply
    2,857.02x = 3,941.19 × 1,807.26
  4. Step 4: Simplify right side
    2,857.02x = 7,122,755.04
  5. Step 5: Solve for x
    x = 7,122,755.04/2,857.02
  6. Step 6: Final answer
    x = 2,493.07

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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.