Home / 2,486.80-3,694.08-2,443.60

Finding the Fourth Proportional to 2,486.80, 3,694.08 and 2,443.60

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Solution

The fourth proportional to 2,486.80, 3,694.08 and 2,443.60 is: 3,629.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486.80 : 3,694.08 = 2,443.60 : x
  2. Step 2: Convert to fraction form
    2,486.80/3,694.08 = 2,443.60/x
  3. Step 3: Cross multiply
    2,486.80x = 3,694.08 × 2,443.60
  4. Step 4: Simplify right side
    2,486.80x = 9,026,853.89
  5. Step 5: Solve for x
    x = 9,026,853.89/2,486.80
  6. Step 6: Final answer
    x = 3,629.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.