Home / 3,540.77-4,889.80-2,917.47

Finding the Fourth Proportional to 3,540.77, 4,889.80 and 2,917.47

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Solution

The fourth proportional to 3,540.77, 4,889.80 and 2,917.47 is: 4,029.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540.77 : 4,889.80 = 2,917.47 : x
  2. Step 2: Convert to fraction form
    3,540.77/4,889.80 = 2,917.47/x
  3. Step 3: Cross multiply
    3,540.77x = 4,889.80 × 2,917.47
  4. Step 4: Simplify right side
    3,540.77x = 14,265,844.81
  5. Step 5: Solve for x
    x = 14,265,844.81/3,540.77
  6. Step 6: Final answer
    x = 4,029.02

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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.