Home / 2,389.85-3,297.97-1,341.91

Finding the Fourth Proportional to 2,389.85, 3,297.97 and 1,341.91

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Solution

The fourth proportional to 2,389.85, 3,297.97 and 1,341.91 is: 1,851.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,389.85 : 3,297.97 = 1,341.91 : x
  2. Step 2: Convert to fraction form
    2,389.85/3,297.97 = 1,341.91/x
  3. Step 3: Cross multiply
    2,389.85x = 3,297.97 × 1,341.91
  4. Step 4: Simplify right side
    2,389.85x = 4,425,578.92
  5. Step 5: Solve for x
    x = 4,425,578.92/2,389.85
  6. Step 6: Final answer
    x = 1,851.82

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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.