Home / 2,623.36-3,901.97-2,389.60

Finding the Fourth Proportional to 2,623.36, 3,901.97 and 2,389.60

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Solution

The fourth proportional to 2,623.36, 3,901.97 and 2,389.60 is: 3,554.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,623.36 : 3,901.97 = 2,389.60 : x
  2. Step 2: Convert to fraction form
    2,623.36/3,901.97 = 2,389.60/x
  3. Step 3: Cross multiply
    2,623.36x = 3,901.97 × 2,389.60
  4. Step 4: Simplify right side
    2,623.36x = 9,324,147.51
  5. Step 5: Solve for x
    x = 9,324,147.51/2,623.36
  6. Step 6: Final answer
    x = 3,554.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.