Home / 2,389.25-3,297.21-1,341.29

Finding the Fourth Proportional to 2,389.25, 3,297.21 and 1,341.29

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Solution

The fourth proportional to 2,389.25, 3,297.21 and 1,341.29 is: 1,851.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,389.25 : 3,297.21 = 1,341.29 : x
  2. Step 2: Convert to fraction form
    2,389.25/3,297.21 = 1,341.29/x
  3. Step 3: Cross multiply
    2,389.25x = 3,297.21 × 1,341.29
  4. Step 4: Simplify right side
    2,389.25x = 4,422,514.80
  5. Step 5: Solve for x
    x = 4,422,514.80/2,389.25
  6. Step 6: Final answer
    x = 1,851.01

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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.