Home / 2,104.75-3,157.70-1,875.22

Finding the Fourth Proportional to 2,104.75, 3,157.70 and 1,875.22

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Solution

The fourth proportional to 2,104.75, 3,157.70 and 1,875.22 is: 2,813.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,104.75 : 3,157.70 = 1,875.22 : x
  2. Step 2: Convert to fraction form
    2,104.75/3,157.70 = 1,875.22/x
  3. Step 3: Cross multiply
    2,104.75x = 3,157.70 × 1,875.22
  4. Step 4: Simplify right side
    2,104.75x = 5,921,382.19
  5. Step 5: Solve for x
    x = 5,921,382.19/2,104.75
  6. Step 6: Final answer
    x = 2,813.34

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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.