Home / 2,788.45-3,844.69-2,409.66

Finding the Fourth Proportional to 2,788.45, 3,844.69 and 2,409.66

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Solution

The fourth proportional to 2,788.45, 3,844.69 and 2,409.66 is: 3,322.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,788.45 : 3,844.69 = 2,409.66 : x
  2. Step 2: Convert to fraction form
    2,788.45/3,844.69 = 2,409.66/x
  3. Step 3: Cross multiply
    2,788.45x = 3,844.69 × 2,409.66
  4. Step 4: Simplify right side
    2,788.45x = 9,264,383.66
  5. Step 5: Solve for x
    x = 9,264,383.66/2,788.45
  6. Step 6: Final answer
    x = 3,322.42

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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.