Home / 2,161.77-3,240.74-1,050.60

Finding the Fourth Proportional to 2,161.77, 3,240.74 and 1,050.60

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Solution

The fourth proportional to 2,161.77, 3,240.74 and 1,050.60 is: 1,574.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,161.77 : 3,240.74 = 1,050.60 : x
  2. Step 2: Convert to fraction form
    2,161.77/3,240.74 = 1,050.60/x
  3. Step 3: Cross multiply
    2,161.77x = 3,240.74 × 1,050.60
  4. Step 4: Simplify right side
    2,161.77x = 3,404,716.19
  5. Step 5: Solve for x
    x = 3,404,716.19/2,161.77
  6. Step 6: Final answer
    x = 1,574.97

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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.