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Finding the Fourth Proportional to 2,676.72, 4,015.24 and 1,520.24

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Solution

The fourth proportional to 2,676.72, 4,015.24 and 1,520.24 is: 2,280.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,676.72 : 4,015.24 = 1,520.24 : x
  2. Step 2: Convert to fraction form
    2,676.72/4,015.24 = 1,520.24/x
  3. Step 3: Cross multiply
    2,676.72x = 4,015.24 × 1,520.24
  4. Step 4: Simplify right side
    2,676.72x = 6,104,128.46
  5. Step 5: Solve for x
    x = 6,104,128.46/2,676.72
  6. Step 6: Final answer
    x = 2,280.45

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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.