Home / 2,389.09-3,583.63-1,403.41

Finding the Fourth Proportional to 2,389.09, 3,583.63 and 1,403.41

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Solution

The fourth proportional to 2,389.09, 3,583.63 and 1,403.41 is: 2,105.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,389.09 : 3,583.63 = 1,403.41 : x
  2. Step 2: Convert to fraction form
    2,389.09/3,583.63 = 1,403.41/x
  3. Step 3: Cross multiply
    2,389.09x = 3,583.63 × 1,403.41
  4. Step 4: Simplify right side
    2,389.09x = 5,029,284.26
  5. Step 5: Solve for x
    x = 5,029,284.26/2,389.09
  6. Step 6: Final answer
    x = 2,105.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.