Home / 3,728.18-5,594.21-2,479.64

Finding the Fourth Proportional to 3,728.18, 5,594.21 and 2,479.64

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Solution

The fourth proportional to 3,728.18, 5,594.21 and 2,479.64 is: 3,720.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,728.18 : 5,594.21 = 2,479.64 : x
  2. Step 2: Convert to fraction form
    3,728.18/5,594.21 = 2,479.64/x
  3. Step 3: Cross multiply
    3,728.18x = 5,594.21 × 2,479.64
  4. Step 4: Simplify right side
    3,728.18x = 13,871,626.88
  5. Step 5: Solve for x
    x = 13,871,626.88/3,728.18
  6. Step 6: Final answer
    x = 3,720.75

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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.