Home / 1,870.26-2,804.46-1,090.54

Finding the Fourth Proportional to 1,870.26, 2,804.46 and 1,090.54

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Solution

The fourth proportional to 1,870.26, 2,804.46 and 1,090.54 is: 1,635.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,870.26 : 2,804.46 = 1,090.54 : x
  2. Step 2: Convert to fraction form
    1,870.26/2,804.46 = 1,090.54/x
  3. Step 3: Cross multiply
    1,870.26x = 2,804.46 × 1,090.54
  4. Step 4: Simplify right side
    1,870.26x = 3,058,375.81
  5. Step 5: Solve for x
    x = 3,058,375.81/1,870.26
  6. Step 6: Final answer
    x = 1,635.27

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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.