Home / 1,903.58-2,627.11-1,157.36

Finding the Fourth Proportional to 1,903.58, 2,627.11 and 1,157.36

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Solution

The fourth proportional to 1,903.58, 2,627.11 and 1,157.36 is: 1,597.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,903.58 : 2,627.11 = 1,157.36 : x
  2. Step 2: Convert to fraction form
    1,903.58/2,627.11 = 1,157.36/x
  3. Step 3: Cross multiply
    1,903.58x = 2,627.11 × 1,157.36
  4. Step 4: Simplify right side
    1,903.58x = 3,040,512.03
  5. Step 5: Solve for x
    x = 3,040,512.03/1,903.58
  6. Step 6: Final answer
    x = 1,597.26

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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.