Home / 2,389.10-3,583.44-1,090.46

Finding the Fourth Proportional to 2,389.10, 3,583.44 and 1,090.46

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Solution

The fourth proportional to 2,389.10, 3,583.44 and 1,090.46 is: 1,635.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,389.10 : 3,583.44 = 1,090.46 : x
  2. Step 2: Convert to fraction form
    2,389.10/3,583.44 = 1,090.46/x
  3. Step 3: Cross multiply
    2,389.10x = 3,583.44 × 1,090.46
  4. Step 4: Simplify right side
    2,389.10x = 3,907,606.94
  5. Step 5: Solve for x
    x = 3,907,606.94/2,389.10
  6. Step 6: Final answer
    x = 1,635.60

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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.