Home / 3,572.60-4,930.21-2,081.54

Finding the Fourth Proportional to 3,572.60, 4,930.21 and 2,081.54

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Solution

The fourth proportional to 3,572.60, 4,930.21 and 2,081.54 is: 2,872.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,572.60 : 4,930.21 = 2,081.54 : x
  2. Step 2: Convert to fraction form
    3,572.60/4,930.21 = 2,081.54/x
  3. Step 3: Cross multiply
    3,572.60x = 4,930.21 × 2,081.54
  4. Step 4: Simplify right side
    3,572.60x = 10,262,436.45
  5. Step 5: Solve for x
    x = 10,262,436.45/3,572.60
  6. Step 6: Final answer
    x = 2,872.54

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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.