Home / 2,389.23-3,297.20-1,341.39

Finding the Fourth Proportional to 2,389.23, 3,297.20 and 1,341.39

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Solution

The fourth proportional to 2,389.23, 3,297.20 and 1,341.39 is: 1,851.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,389.23 : 3,297.20 = 1,341.39 : x
  2. Step 2: Convert to fraction form
    2,389.23/3,297.20 = 1,341.39/x
  3. Step 3: Cross multiply
    2,389.23x = 3,297.20 × 1,341.39
  4. Step 4: Simplify right side
    2,389.23x = 4,422,824.40
  5. Step 5: Solve for x
    x = 4,422,824.40/2,389.23
  6. Step 6: Final answer
    x = 1,851.15

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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.