Home / 3,727.44-5,589.34-1,386.74

Finding the Fourth Proportional to 3,727.44, 5,589.34 and 1,386.74

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Solution

The fourth proportional to 3,727.44, 5,589.34 and 1,386.74 is: 2,079.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,727.44 : 5,589.34 = 1,386.74 : x
  2. Step 2: Convert to fraction form
    3,727.44/5,589.34 = 1,386.74/x
  3. Step 3: Cross multiply
    3,727.44x = 5,589.34 × 1,386.74
  4. Step 4: Simplify right side
    3,727.44x = 7,750,971.86
  5. Step 5: Solve for x
    x = 7,750,971.86/3,727.44
  6. Step 6: Final answer
    x = 2,079.44

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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.