Home / 2,476.20-3,709.80-1,959.60

Finding the Fourth Proportional to 2,476.20, 3,709.80 and 1,959.60

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Solution

The fourth proportional to 2,476.20, 3,709.80 and 1,959.60 is: 2,935.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,476.20 : 3,709.80 = 1,959.60 : x
  2. Step 2: Convert to fraction form
    2,476.20/3,709.80 = 1,959.60/x
  3. Step 3: Cross multiply
    2,476.20x = 3,709.80 × 1,959.60
  4. Step 4: Simplify right side
    2,476.20x = 7,269,724.08
  5. Step 5: Solve for x
    x = 7,269,724.08/2,476.20
  6. Step 6: Final answer
    x = 2,935.84

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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.