Home / 4,076.21-5,626.17-2,308.86

Finding the Fourth Proportional to 4,076.21, 5,626.17 and 2,308.86

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Solution

The fourth proportional to 4,076.21, 5,626.17 and 2,308.86 is: 3,186.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,076.21 : 5,626.17 = 2,308.86 : x
  2. Step 2: Convert to fraction form
    4,076.21/5,626.17 = 2,308.86/x
  3. Step 3: Cross multiply
    4,076.21x = 5,626.17 × 2,308.86
  4. Step 4: Simplify right side
    4,076.21x = 12,990,038.87
  5. Step 5: Solve for x
    x = 12,990,038.87/4,076.21
  6. Step 6: Final answer
    x = 3,186.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.