Home / 2,948.40-4,422.12-1,099.03

Finding the Fourth Proportional to 2,948.40, 4,422.12 and 1,099.03

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Solution

The fourth proportional to 2,948.40, 4,422.12 and 1,099.03 is: 1,648.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948.40 : 4,422.12 = 1,099.03 : x
  2. Step 2: Convert to fraction form
    2,948.40/4,422.12 = 1,099.03/x
  3. Step 3: Cross multiply
    2,948.40x = 4,422.12 × 1,099.03
  4. Step 4: Simplify right side
    2,948.40x = 4,860,027.37
  5. Step 5: Solve for x
    x = 4,860,027.37/2,948.40
  6. Step 6: Final answer
    x = 1,648.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.