Home / 3,340.44-5,009.85-1,260.63

Finding the Fourth Proportional to 3,340.44, 5,009.85 and 1,260.63

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Solution

The fourth proportional to 3,340.44, 5,009.85 and 1,260.63 is: 1,890.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,340.44 : 5,009.85 = 1,260.63 : x
  2. Step 2: Convert to fraction form
    3,340.44/5,009.85 = 1,260.63/x
  3. Step 3: Cross multiply
    3,340.44x = 5,009.85 × 1,260.63
  4. Step 4: Simplify right side
    3,340.44x = 6,315,567.21
  5. Step 5: Solve for x
    x = 6,315,567.21/3,340.44
  6. Step 6: Final answer
    x = 1,890.64

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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.