Home / 2,629.60-3,617.67-2,556.70

Finding the Fourth Proportional to 2,629.60, 3,617.67 and 2,556.70

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Solution

The fourth proportional to 2,629.60, 3,617.67 and 2,556.70 is: 3,517.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,629.60 : 3,617.67 = 2,556.70 : x
  2. Step 2: Convert to fraction form
    2,629.60/3,617.67 = 2,556.70/x
  3. Step 3: Cross multiply
    2,629.60x = 3,617.67 × 2,556.70
  4. Step 4: Simplify right side
    2,629.60x = 9,249,296.89
  5. Step 5: Solve for x
    x = 9,249,296.89/2,629.60
  6. Step 6: Final answer
    x = 3,517.38

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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.