Home / 3,199.17-4,798.76-2,108.40

Finding the Fourth Proportional to 3,199.17, 4,798.76 and 2,108.40

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Solution

The fourth proportional to 3,199.17, 4,798.76 and 2,108.40 is: 3,162.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,199.17 : 4,798.76 = 2,108.40 : x
  2. Step 2: Convert to fraction form
    3,199.17/4,798.76 = 2,108.40/x
  3. Step 3: Cross multiply
    3,199.17x = 4,798.76 × 2,108.40
  4. Step 4: Simplify right side
    3,199.17x = 10,117,720.50
  5. Step 5: Solve for x
    x = 10,117,720.50/3,199.17
  6. Step 6: Final answer
    x = 3,162.61

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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.