Home / 3,118.96-4,305.24-1,941.04

Finding the Fourth Proportional to 3,118.96, 4,305.24 and 1,941.04

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Solution

The fourth proportional to 3,118.96, 4,305.24 and 1,941.04 is: 2,679.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118.96 : 4,305.24 = 1,941.04 : x
  2. Step 2: Convert to fraction form
    3,118.96/4,305.24 = 1,941.04/x
  3. Step 3: Cross multiply
    3,118.96x = 4,305.24 × 1,941.04
  4. Step 4: Simplify right side
    3,118.96x = 8,356,643.05
  5. Step 5: Solve for x
    x = 8,356,643.05/3,118.96
  6. Step 6: Final answer
    x = 2,679.30

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Double scale
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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.