Home / 3,201.37-4,802.70-1,815.32

Finding the Fourth Proportional to 3,201.37, 4,802.70 and 1,815.32

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Solution

The fourth proportional to 3,201.37, 4,802.70 and 1,815.32 is: 2,723.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,201.37 : 4,802.70 = 1,815.32 : x
  2. Step 2: Convert to fraction form
    3,201.37/4,802.70 = 1,815.32/x
  3. Step 3: Cross multiply
    3,201.37x = 4,802.70 × 1,815.32
  4. Step 4: Simplify right side
    3,201.37x = 8,718,437.36
  5. Step 5: Solve for x
    x = 8,718,437.36/3,201.37
  6. Step 6: Final answer
    x = 2,723.35

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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.