Home / 2,948.09-4,068.61-1,622.05

Finding the Fourth Proportional to 2,948.09, 4,068.61 and 1,622.05

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Solution

The fourth proportional to 2,948.09, 4,068.61 and 1,622.05 is: 2,238.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948.09 : 4,068.61 = 1,622.05 : x
  2. Step 2: Convert to fraction form
    2,948.09/4,068.61 = 1,622.05/x
  3. Step 3: Cross multiply
    2,948.09x = 4,068.61 × 1,622.05
  4. Step 4: Simplify right side
    2,948.09x = 6,599,474.62
  5. Step 5: Solve for x
    x = 6,599,474.62/2,948.09
  6. Step 6: Final answer
    x = 2,238.56

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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.