Home / 3,902.36-5,853.59-1,305.30

Finding the Fourth Proportional to 3,902.36, 5,853.59 and 1,305.30

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Solution

The fourth proportional to 3,902.36, 5,853.59 and 1,305.30 is: 1,957.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,902.36 : 5,853.59 = 1,305.30 : x
  2. Step 2: Convert to fraction form
    3,902.36/5,853.59 = 1,305.30/x
  3. Step 3: Cross multiply
    3,902.36x = 5,853.59 × 1,305.30
  4. Step 4: Simplify right side
    3,902.36x = 7,640,684.50
  5. Step 5: Solve for x
    x = 7,640,684.50/3,902.36
  6. Step 6: Final answer
    x = 1,957.97

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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.