Home / 2,428.77-3,352.97-1,636.26

Finding the Fourth Proportional to 2,428.77, 3,352.97 and 1,636.26

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Solution

The fourth proportional to 2,428.77, 3,352.97 and 1,636.26 is: 2,258.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,428.77 : 3,352.97 = 1,636.26 : x
  2. Step 2: Convert to fraction form
    2,428.77/3,352.97 = 1,636.26/x
  3. Step 3: Cross multiply
    2,428.77x = 3,352.97 × 1,636.26
  4. Step 4: Simplify right side
    2,428.77x = 5,486,330.69
  5. Step 5: Solve for x
    x = 5,486,330.69/2,428.77
  6. Step 6: Final answer
    x = 2,258.89

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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.