Home / 2,948.42-4,068.78-1,622.09

Finding the Fourth Proportional to 2,948.42, 4,068.78 and 1,622.09

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Solution

The fourth proportional to 2,948.42, 4,068.78 and 1,622.09 is: 2,238.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948.42 : 4,068.78 = 1,622.09 : x
  2. Step 2: Convert to fraction form
    2,948.42/4,068.78 = 1,622.09/x
  3. Step 3: Cross multiply
    2,948.42x = 4,068.78 × 1,622.09
  4. Step 4: Simplify right side
    2,948.42x = 6,599,931.44
  5. Step 5: Solve for x
    x = 6,599,931.44/2,948.42
  6. Step 6: Final answer
    x = 2,238.47

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.