Home / 2,948.70-4,418.91-1,633.05

Finding the Fourth Proportional to 2,948.70, 4,418.91 and 1,633.05

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Solution

The fourth proportional to 2,948.70, 4,418.91 and 1,633.05 is: 2,447.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948.70 : 4,418.91 = 1,633.05 : x
  2. Step 2: Convert to fraction form
    2,948.70/4,418.91 = 1,633.05/x
  3. Step 3: Cross multiply
    2,948.70x = 4,418.91 × 1,633.05
  4. Step 4: Simplify right side
    2,948.70x = 7,216,317.55
  5. Step 5: Solve for x
    x = 7,216,317.55/2,948.70
  6. Step 6: Final answer
    x = 2,447.29

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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.