Home / 3,204.78-4,420.62-2,457.56

Finding the Fourth Proportional to 3,204.78, 4,420.62 and 2,457.56

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Solution

The fourth proportional to 3,204.78, 4,420.62 and 2,457.56 is: 3,389.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,204.78 : 4,420.62 = 2,457.56 : x
  2. Step 2: Convert to fraction form
    3,204.78/4,420.62 = 2,457.56/x
  3. Step 3: Cross multiply
    3,204.78x = 4,420.62 × 2,457.56
  4. Step 4: Simplify right side
    3,204.78x = 10,863,916.78
  5. Step 5: Solve for x
    x = 10,863,916.78/3,204.78
  6. Step 6: Final answer
    x = 3,389.91

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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.