Home / 3,079.53-4,615.26-2,688.54

Finding the Fourth Proportional to 3,079.53, 4,615.26 and 2,688.54

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Solution

The fourth proportional to 3,079.53, 4,615.26 and 2,688.54 is: 4,029.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079.53 : 4,615.26 = 2,688.54 : x
  2. Step 2: Convert to fraction form
    3,079.53/4,615.26 = 2,688.54/x
  3. Step 3: Cross multiply
    3,079.53x = 4,615.26 × 2,688.54
  4. Step 4: Simplify right side
    3,079.53x = 12,408,311.12
  5. Step 5: Solve for x
    x = 12,408,311.12/3,079.53
  6. Step 6: Final answer
    x = 4,029.29

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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.