Home / 3,728.26-5,580.21-2,740.81

Finding the Fourth Proportional to 3,728.26, 5,580.21 and 2,740.81

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Solution

The fourth proportional to 3,728.26, 5,580.21 and 2,740.81 is: 4,102.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,728.26 : 5,580.21 = 2,740.81 : x
  2. Step 2: Convert to fraction form
    3,728.26/5,580.21 = 2,740.81/x
  3. Step 3: Cross multiply
    3,728.26x = 5,580.21 × 2,740.81
  4. Step 4: Simplify right side
    3,728.26x = 15,294,281.42
  5. Step 5: Solve for x
    x = 15,294,281.42/3,728.26
  6. Step 6: Final answer
    x = 4,102.26

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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.