Home / 3,557.70-4,912.08-2,382.18

Finding the Fourth Proportional to 3,557.70, 4,912.08 and 2,382.18

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Solution

The fourth proportional to 3,557.70, 4,912.08 and 2,382.18 is: 3,289.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,557.70 : 4,912.08 = 2,382.18 : x
  2. Step 2: Convert to fraction form
    3,557.70/4,912.08 = 2,382.18/x
  3. Step 3: Cross multiply
    3,557.70x = 4,912.08 × 2,382.18
  4. Step 4: Simplify right side
    3,557.70x = 11,701,458.73
  5. Step 5: Solve for x
    x = 11,701,458.73/3,557.70
  6. Step 6: Final answer
    x = 3,289.05

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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.