Home / 3,905.08-5,853.48-1,404.60

Finding the Fourth Proportional to 3,905.08, 5,853.48 and 1,404.60

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Solution

The fourth proportional to 3,905.08, 5,853.48 and 1,404.60 is: 2,105.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,905.08 : 5,853.48 = 1,404.60 : x
  2. Step 2: Convert to fraction form
    3,905.08/5,853.48 = 1,404.60/x
  3. Step 3: Cross multiply
    3,905.08x = 5,853.48 × 1,404.60
  4. Step 4: Simplify right side
    3,905.08x = 8,221,798.01
  5. Step 5: Solve for x
    x = 8,221,798.01/3,905.08
  6. Step 6: Final answer
    x = 2,105.41

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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.