Home / 1,858.22-2,564.09-1,112.01

Finding the Fourth Proportional to 1,858.22, 2,564.09 and 1,112.01

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Solution

The fourth proportional to 1,858.22, 2,564.09 and 1,112.01 is: 1,534.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,858.22 : 2,564.09 = 1,112.01 : x
  2. Step 2: Convert to fraction form
    1,858.22/2,564.09 = 1,112.01/x
  3. Step 3: Cross multiply
    1,858.22x = 2,564.09 × 1,112.01
  4. Step 4: Simplify right side
    1,858.22x = 2,851,290.09
  5. Step 5: Solve for x
    x = 2,851,290.09/1,858.22
  6. Step 6: Final answer
    x = 1,534.42

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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.