Home / 2,629.40-3,627.18-1,684.94

Finding the Fourth Proportional to 2,629.40, 3,627.18 and 1,684.94

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Solution

The fourth proportional to 2,629.40, 3,627.18 and 1,684.94 is: 2,324.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,629.40 : 3,627.18 = 1,684.94 : x
  2. Step 2: Convert to fraction form
    2,629.40/3,627.18 = 1,684.94/x
  3. Step 3: Cross multiply
    2,629.40x = 3,627.18 × 1,684.94
  4. Step 4: Simplify right side
    2,629.40x = 6,111,562.53
  5. Step 5: Solve for x
    x = 6,111,562.53/2,629.40
  6. Step 6: Final answer
    x = 2,324.32

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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.