Home / 2,428.09-3,351.97-1,646.23

Finding the Fourth Proportional to 2,428.09, 3,351.97 and 1,646.23

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Solution

The fourth proportional to 2,428.09, 3,351.97 and 1,646.23 is: 2,272.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,428.09 : 3,351.97 = 1,646.23 : x
  2. Step 2: Convert to fraction form
    2,428.09/3,351.97 = 1,646.23/x
  3. Step 3: Cross multiply
    2,428.09x = 3,351.97 × 1,646.23
  4. Step 4: Simplify right side
    2,428.09x = 5,518,113.57
  5. Step 5: Solve for x
    x = 5,518,113.57/2,428.09
  6. Step 6: Final answer
    x = 2,272.61

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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.