Home / 4,234.86-6,348.51-2,153.70

Finding the Fourth Proportional to 4,234.86, 6,348.51 and 2,153.70

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Solution

The fourth proportional to 4,234.86, 6,348.51 and 2,153.70 is: 3,228.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,234.86 : 6,348.51 = 2,153.70 : x
  2. Step 2: Convert to fraction form
    4,234.86/6,348.51 = 2,153.70/x
  3. Step 3: Cross multiply
    4,234.86x = 6,348.51 × 2,153.70
  4. Step 4: Simplify right side
    4,234.86x = 13,672,785.99
  5. Step 5: Solve for x
    x = 13,672,785.99/4,234.86
  6. Step 6: Final answer
    x = 3,228.63

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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.