Home / 3,372.10-4,669.05-3,285.70

Finding the Fourth Proportional to 3,372.10, 4,669.05 and 3,285.70

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Solution

The fourth proportional to 3,372.10, 4,669.05 and 3,285.70 is: 4,549.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,372.10 : 4,669.05 = 3,285.70 : x
  2. Step 2: Convert to fraction form
    3,372.10/4,669.05 = 3,285.70/x
  3. Step 3: Cross multiply
    3,372.10x = 4,669.05 × 3,285.70
  4. Step 4: Simplify right side
    3,372.10x = 15,341,097.59
  5. Step 5: Solve for x
    x = 15,341,097.59/3,372.10
  6. Step 6: Final answer
    x = 4,549.42

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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.