Home / 3,902.44-5,853.66-1,305.40

Finding the Fourth Proportional to 3,902.44, 5,853.66 and 1,305.40

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Solution

The fourth proportional to 3,902.44, 5,853.66 and 1,305.40 is: 1,958.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,902.44 : 5,853.66 = 1,305.40 : x
  2. Step 2: Convert to fraction form
    3,902.44/5,853.66 = 1,305.40/x
  3. Step 3: Cross multiply
    3,902.44x = 5,853.66 × 1,305.40
  4. Step 4: Simplify right side
    3,902.44x = 7,641,367.76
  5. Step 5: Solve for x
    x = 7,641,367.76/3,902.44
  6. Step 6: Final answer
    x = 1,958.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.