Home / 2,825.33-3,898.99-1,646.51

Finding the Fourth Proportional to 2,825.33, 3,898.99 and 1,646.51

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Solution

The fourth proportional to 2,825.33, 3,898.99 and 1,646.51 is: 2,272.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,825.33 : 3,898.99 = 1,646.51 : x
  2. Step 2: Convert to fraction form
    2,825.33/3,898.99 = 1,646.51/x
  3. Step 3: Cross multiply
    2,825.33x = 3,898.99 × 1,646.51
  4. Step 4: Simplify right side
    2,825.33x = 6,419,726.02
  5. Step 5: Solve for x
    x = 6,419,726.02/2,825.33
  6. Step 6: Final answer
    x = 2,272.20

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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.