Home / 2,025.40-2,794.14-1,228.60

Finding the Fourth Proportional to 2,025.40, 2,794.14 and 1,228.60

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Solution

The fourth proportional to 2,025.40, 2,794.14 and 1,228.60 is: 1,694.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,025.40 : 2,794.14 = 1,228.60 : x
  2. Step 2: Convert to fraction form
    2,025.40/2,794.14 = 1,228.60/x
  3. Step 3: Cross multiply
    2,025.40x = 2,794.14 × 1,228.60
  4. Step 4: Simplify right side
    2,025.40x = 3,432,880.40
  5. Step 5: Solve for x
    x = 3,432,880.40/2,025.40
  6. Step 6: Final answer
    x = 1,694.91

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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.