Home / 3,580.12-4,938.70-2,251.32

Finding the Fourth Proportional to 3,580.12, 4,938.70 and 2,251.32

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Solution

The fourth proportional to 3,580.12, 4,938.70 and 2,251.32 is: 3,105.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,580.12 : 4,938.70 = 2,251.32 : x
  2. Step 2: Convert to fraction form
    3,580.12/4,938.70 = 2,251.32/x
  3. Step 3: Cross multiply
    3,580.12x = 4,938.70 × 2,251.32
  4. Step 4: Simplify right side
    3,580.12x = 11,118,594.08
  5. Step 5: Solve for x
    x = 11,118,594.08/3,580.12
  6. Step 6: Final answer
    x = 3,105.65

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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.