Home / 3,207.59-4,800.43-2,688.18

Finding the Fourth Proportional to 3,207.59, 4,800.43 and 2,688.18

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Solution

The fourth proportional to 3,207.59, 4,800.43 and 2,688.18 is: 4,023.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207.59 : 4,800.43 = 2,688.18 : x
  2. Step 2: Convert to fraction form
    3,207.59/4,800.43 = 2,688.18/x
  3. Step 3: Cross multiply
    3,207.59x = 4,800.43 × 2,688.18
  4. Step 4: Simplify right side
    3,207.59x = 12,904,405.28
  5. Step 5: Solve for x
    x = 12,904,405.28/3,207.59
  6. Step 6: Final answer
    x = 4,023.09

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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.