Home / 2,675.08-3,991.12-2,398.60

Finding the Fourth Proportional to 2,675.08, 3,991.12 and 2,398.60

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Solution

The fourth proportional to 2,675.08, 3,991.12 and 2,398.60 is: 3,578.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,675.08 : 3,991.12 = 2,398.60 : x
  2. Step 2: Convert to fraction form
    2,675.08/3,991.12 = 2,398.60/x
  3. Step 3: Cross multiply
    2,675.08x = 3,991.12 × 2,398.60
  4. Step 4: Simplify right side
    2,675.08x = 9,573,100.43
  5. Step 5: Solve for x
    x = 9,573,100.43/2,675.08
  6. Step 6: Final answer
    x = 3,578.62

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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.