Home / 3,853.01-5,778.03-1,387.19

Finding the Fourth Proportional to 3,853.01, 5,778.03 and 1,387.19

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Solution

The fourth proportional to 3,853.01, 5,778.03 and 1,387.19 is: 2,080.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,853.01 : 5,778.03 = 1,387.19 : x
  2. Step 2: Convert to fraction form
    3,853.01/5,778.03 = 1,387.19/x
  3. Step 3: Cross multiply
    3,853.01x = 5,778.03 × 1,387.19
  4. Step 4: Simplify right side
    3,853.01x = 8,015,225.44
  5. Step 5: Solve for x
    x = 8,015,225.44/3,853.01
  6. Step 6: Final answer
    x = 2,080.25

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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.