Home / 3,210.60-4,815.90-1,824.36

Finding the Fourth Proportional to 3,210.60, 4,815.90 and 1,824.36

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Solution

The fourth proportional to 3,210.60, 4,815.90 and 1,824.36 is: 2,736.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210.60 : 4,815.90 = 1,824.36 : x
  2. Step 2: Convert to fraction form
    3,210.60/4,815.90 = 1,824.36/x
  3. Step 3: Cross multiply
    3,210.60x = 4,815.90 × 1,824.36
  4. Step 4: Simplify right side
    3,210.60x = 8,785,935.32
  5. Step 5: Solve for x
    x = 8,785,935.32/3,210.60
  6. Step 6: Final answer
    x = 2,736.54

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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.