Home / 2,827.08-3,901.77-2,354.31

Finding the Fourth Proportional to 2,827.08, 3,901.77 and 2,354.31

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Solution

The fourth proportional to 2,827.08, 3,901.77 and 2,354.31 is: 3,249.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,827.08 : 3,901.77 = 2,354.31 : x
  2. Step 2: Convert to fraction form
    2,827.08/3,901.77 = 2,354.31/x
  3. Step 3: Cross multiply
    2,827.08x = 3,901.77 × 2,354.31
  4. Step 4: Simplify right side
    2,827.08x = 9,185,976.13
  5. Step 5: Solve for x
    x = 9,185,976.13/2,827.08
  6. Step 6: Final answer
    x = 3,249.28

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1.5x scale

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.