Home / 3,309.48-4,960.36-1,359.28

Finding the Fourth Proportional to 3,309.48, 4,960.36 and 1,359.28

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Solution

The fourth proportional to 3,309.48, 4,960.36 and 1,359.28 is: 2,037.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309.48 : 4,960.36 = 1,359.28 : x
  2. Step 2: Convert to fraction form
    3,309.48/4,960.36 = 1,359.28/x
  3. Step 3: Cross multiply
    3,309.48x = 4,960.36 × 1,359.28
  4. Step 4: Simplify right side
    3,309.48x = 6,742,518.14
  5. Step 5: Solve for x
    x = 6,742,518.14/3,309.48
  6. Step 6: Final answer
    x = 2,037.33

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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.