Home / 2,579.24-3,556.10-2,106.60

Finding the Fourth Proportional to 2,579.24, 3,556.10 and 2,106.60

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Solution

The fourth proportional to 2,579.24, 3,556.10 and 2,106.60 is: 2,904.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,579.24 : 3,556.10 = 2,106.60 : x
  2. Step 2: Convert to fraction form
    2,579.24/3,556.10 = 2,106.60/x
  3. Step 3: Cross multiply
    2,579.24x = 3,556.10 × 2,106.60
  4. Step 4: Simplify right side
    2,579.24x = 7,491,269.73
  5. Step 5: Solve for x
    x = 7,491,269.73/2,579.24
  6. Step 6: Final answer
    x = 2,904.45

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1.5x scale

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.