Home / 3,702.64-5,111.04-2,305.12

Finding the Fourth Proportional to 3,702.64, 5,111.04 and 2,305.12

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Solution

The fourth proportional to 3,702.64, 5,111.04 and 2,305.12 is: 3,181.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,702.64 : 5,111.04 = 2,305.12 : x
  2. Step 2: Convert to fraction form
    3,702.64/5,111.04 = 2,305.12/x
  3. Step 3: Cross multiply
    3,702.64x = 5,111.04 × 2,305.12
  4. Step 4: Simplify right side
    3,702.64x = 11,781,560.52
  5. Step 5: Solve for x
    x = 11,781,560.52/3,702.64
  6. Step 6: Final answer
    x = 3,181.94

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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.