Home / 2,917.36-4,026.80-1,739.24

Finding the Fourth Proportional to 2,917.36, 4,026.80 and 1,739.24

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Solution

The fourth proportional to 2,917.36, 4,026.80 and 1,739.24 is: 2,400.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917.36 : 4,026.80 = 1,739.24 : x
  2. Step 2: Convert to fraction form
    2,917.36/4,026.80 = 1,739.24/x
  3. Step 3: Cross multiply
    2,917.36x = 4,026.80 × 1,739.24
  4. Step 4: Simplify right side
    2,917.36x = 7,003,571.63
  5. Step 5: Solve for x
    x = 7,003,571.63/2,917.36
  6. Step 6: Final answer
    x = 2,400.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.