Home / 3,812.44-5,720.58-1,505.56

Finding the Fourth Proportional to 3,812.44, 5,720.58 and 1,505.56

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Solution

The fourth proportional to 3,812.44, 5,720.58 and 1,505.56 is: 2,259.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,812.44 : 5,720.58 = 1,505.56 : x
  2. Step 2: Convert to fraction form
    3,812.44/5,720.58 = 1,505.56/x
  3. Step 3: Cross multiply
    3,812.44x = 5,720.58 × 1,505.56
  4. Step 4: Simplify right side
    3,812.44x = 8,612,676.42
  5. Step 5: Solve for x
    x = 8,612,676.42/3,812.44
  6. Step 6: Final answer
    x = 2,259.10

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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.