Home / 1,899.36-2,622.32-1,237.28

Finding the Fourth Proportional to 1,899.36, 2,622.32 and 1,237.28

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Solution

The fourth proportional to 1,899.36, 2,622.32 and 1,237.28 is: 1,708.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899.36 : 2,622.32 = 1,237.28 : x
  2. Step 2: Convert to fraction form
    1,899.36/2,622.32 = 1,237.28/x
  3. Step 3: Cross multiply
    1,899.36x = 2,622.32 × 1,237.28
  4. Step 4: Simplify right side
    1,899.36x = 3,244,544.09
  5. Step 5: Solve for x
    x = 3,244,544.09/1,899.36
  6. Step 6: Final answer
    x = 1,708.23

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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.