Home / 2,948.70-4,069.01-1,622.46

Finding the Fourth Proportional to 2,948.70, 4,069.01 and 1,622.46

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Solution

The fourth proportional to 2,948.70, 4,069.01 and 1,622.46 is: 2,238.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948.70 : 4,069.01 = 1,622.46 : x
  2. Step 2: Convert to fraction form
    2,948.70/4,069.01 = 1,622.46/x
  3. Step 3: Cross multiply
    2,948.70x = 4,069.01 × 1,622.46
  4. Step 4: Simplify right side
    2,948.70x = 6,601,805.96
  5. Step 5: Solve for x
    x = 6,601,805.96/2,948.70
  6. Step 6: Final answer
    x = 2,238.89

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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.