Home / 2,948.30-4,418.42-1,630.09

Finding the Fourth Proportional to 2,948.30, 4,418.42 and 1,630.09

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Solution

The fourth proportional to 2,948.30, 4,418.42 and 1,630.09 is: 2,442.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948.30 : 4,418.42 = 1,630.09 : x
  2. Step 2: Convert to fraction form
    2,948.30/4,418.42 = 1,630.09/x
  3. Step 3: Cross multiply
    2,948.30x = 4,418.42 × 1,630.09
  4. Step 4: Simplify right side
    2,948.30x = 7,202,419.63
  5. Step 5: Solve for x
    x = 7,202,419.63/2,948.30
  6. Step 6: Final answer
    x = 2,442.91

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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.