Home / 2,388.90-3,297.79-1,593.55

Finding the Fourth Proportional to 2,388.90, 3,297.79 and 1,593.55

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Solution

The fourth proportional to 2,388.90, 3,297.79 and 1,593.55 is: 2,199.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,388.90 : 3,297.79 = 1,593.55 : x
  2. Step 2: Convert to fraction form
    2,388.90/3,297.79 = 1,593.55/x
  3. Step 3: Cross multiply
    2,388.90x = 3,297.79 × 1,593.55
  4. Step 4: Simplify right side
    2,388.90x = 5,255,193.25
  5. Step 5: Solve for x
    x = 5,255,193.25/2,388.90
  6. Step 6: Final answer
    x = 2,199.84

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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.