Home / 2,389.25-3,297.20-1,445.04

Finding the Fourth Proportional to 2,389.25, 3,297.20 and 1,445.04

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Solution

The fourth proportional to 2,389.25, 3,297.20 and 1,445.04 is: 1,994.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,389.25 : 3,297.20 = 1,445.04 : x
  2. Step 2: Convert to fraction form
    2,389.25/3,297.20 = 1,445.04/x
  3. Step 3: Cross multiply
    2,389.25x = 3,297.20 × 1,445.04
  4. Step 4: Simplify right side
    2,389.25x = 4,764,578.66
  5. Step 5: Solve for x
    x = 4,764,578.66/2,389.25
  6. Step 6: Final answer
    x = 1,994.18

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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.