Home / 3,612.89-5,427.54-2,382.70

Finding the Fourth Proportional to 3,612.89, 5,427.54 and 2,382.70

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Solution

The fourth proportional to 3,612.89, 5,427.54 and 2,382.70 is: 3,579.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612.89 : 5,427.54 = 2,382.70 : x
  2. Step 2: Convert to fraction form
    3,612.89/5,427.54 = 2,382.70/x
  3. Step 3: Cross multiply
    3,612.89x = 5,427.54 × 2,382.70
  4. Step 4: Simplify right side
    3,612.89x = 12,932,199.56
  5. Step 5: Solve for x
    x = 12,932,199.56/3,612.89
  6. Step 6: Final answer
    x = 3,579.46

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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.