Home / 1,788.24-2,466.54-1,603.56

Finding the Fourth Proportional to 1,788.24, 2,466.54 and 1,603.56

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Solution

The fourth proportional to 1,788.24, 2,466.54 and 1,603.56 is: 2,211.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788.24 : 2,466.54 = 1,603.56 : x
  2. Step 2: Convert to fraction form
    1,788.24/2,466.54 = 1,603.56/x
  3. Step 3: Cross multiply
    1,788.24x = 2,466.54 × 1,603.56
  4. Step 4: Simplify right side
    1,788.24x = 3,955,244.88
  5. Step 5: Solve for x
    x = 3,955,244.88/1,788.24
  6. Step 6: Final answer
    x = 2,211.81

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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.