Home / 2,888.09-3,986.19-1,825.18

Finding the Fourth Proportional to 2,888.09, 3,986.19 and 1,825.18

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Solution

The fourth proportional to 2,888.09, 3,986.19 and 1,825.18 is: 2,519.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,888.09 : 3,986.19 = 1,825.18 : x
  2. Step 2: Convert to fraction form
    2,888.09/3,986.19 = 1,825.18/x
  3. Step 3: Cross multiply
    2,888.09x = 3,986.19 × 1,825.18
  4. Step 4: Simplify right side
    2,888.09x = 7,275,512.40
  5. Step 5: Solve for x
    x = 7,275,512.40/2,888.09
  6. Step 6: Final answer
    x = 2,519.14

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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.