Home / 2,649.06-3,969.30-1,550.70

Finding the Fourth Proportional to 2,649.06, 3,969.30 and 1,550.70

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Solution

The fourth proportional to 2,649.06, 3,969.30 and 1,550.70 is: 2,323.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,649.06 : 3,969.30 = 1,550.70 : x
  2. Step 2: Convert to fraction form
    2,649.06/3,969.30 = 1,550.70/x
  3. Step 3: Cross multiply
    2,649.06x = 3,969.30 × 1,550.70
  4. Step 4: Simplify right side
    2,649.06x = 6,155,193.51
  5. Step 5: Solve for x
    x = 6,155,193.51/2,649.06
  6. Step 6: Final answer
    x = 2,323.54

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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.