Home / 4,158-5,738.04-2,389.80

Finding the Fourth Proportional to 4,158, 5,738.04 and 2,389.80

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Solution

The fourth proportional to 4,158, 5,738.04 and 2,389.80 is: 3,297.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,158 : 5,738.04 = 2,389.80 : x
  2. Step 2: Convert to fraction form
    4,158/5,738.04 = 2,389.80/x
  3. Step 3: Cross multiply
    4,158x = 5,738.04 × 2,389.80
  4. Step 4: Simplify right side
    4,158x = 13,712,767.99
  5. Step 5: Solve for x
    x = 13,712,767.99/4,158
  6. Step 6: Final answer
    x = 3,297.92

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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.