Home / 2,917.59-4,393.83-2,556.74

Finding the Fourth Proportional to 2,917.59, 4,393.83 and 2,556.74

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Solution

The fourth proportional to 2,917.59, 4,393.83 and 2,556.74 is: 3,850.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917.59 : 4,393.83 = 2,556.74 : x
  2. Step 2: Convert to fraction form
    2,917.59/4,393.83 = 2,556.74/x
  3. Step 3: Cross multiply
    2,917.59x = 4,393.83 × 2,556.74
  4. Step 4: Simplify right side
    2,917.59x = 11,233,858.95
  5. Step 5: Solve for x
    x = 11,233,858.95/2,917.59
  6. Step 6: Final answer
    x = 3,850.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.