Home / 2,489.10-3,733.74-2,055.48

Finding the Fourth Proportional to 2,489.10, 3,733.74 and 2,055.48

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Solution

The fourth proportional to 2,489.10, 3,733.74 and 2,055.48 is: 3,083.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,489.10 : 3,733.74 = 2,055.48 : x
  2. Step 2: Convert to fraction form
    2,489.10/3,733.74 = 2,055.48/x
  3. Step 3: Cross multiply
    2,489.10x = 3,733.74 × 2,055.48
  4. Step 4: Simplify right side
    2,489.10x = 7,674,627.90
  5. Step 5: Solve for x
    x = 7,674,627.90/2,489.10
  6. Step 6: Final answer
    x = 3,083.29

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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.