Home / 1,899.41-2,619.14-1,648.58

Finding the Fourth Proportional to 1,899.41, 2,619.14 and 1,648.58

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Solution

The fourth proportional to 1,899.41, 2,619.14 and 1,648.58 is: 2,273.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899.41 : 2,619.14 = 1,648.58 : x
  2. Step 2: Convert to fraction form
    1,899.41/2,619.14 = 1,648.58/x
  3. Step 3: Cross multiply
    1,899.41x = 2,619.14 × 1,648.58
  4. Step 4: Simplify right side
    1,899.41x = 4,317,840.48
  5. Step 5: Solve for x
    x = 4,317,840.48/1,899.41
  6. Step 6: Final answer
    x = 2,273.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.