Home / 2,428.75-3,352.94-1,636.24

Finding the Fourth Proportional to 2,428.75, 3,352.94 and 1,636.24

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Solution

The fourth proportional to 2,428.75, 3,352.94 and 1,636.24 is: 2,258.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,428.75 : 3,352.94 = 1,636.24 : x
  2. Step 2: Convert to fraction form
    2,428.75/3,352.94 = 1,636.24/x
  3. Step 3: Cross multiply
    2,428.75x = 3,352.94 × 1,636.24
  4. Step 4: Simplify right side
    2,428.75x = 5,486,206.36
  5. Step 5: Solve for x
    x = 5,486,206.36/2,428.75
  6. Step 6: Final answer
    x = 2,258.86

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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.