Home / 3,948.54-5,919.69-1,973.16

Finding the Fourth Proportional to 3,948.54, 5,919.69 and 1,973.16

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Solution

The fourth proportional to 3,948.54, 5,919.69 and 1,973.16 is: 2,958.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,948.54 : 5,919.69 = 1,973.16 : x
  2. Step 2: Convert to fraction form
    3,948.54/5,919.69 = 1,973.16/x
  3. Step 3: Cross multiply
    3,948.54x = 5,919.69 × 1,973.16
  4. Step 4: Simplify right side
    3,948.54x = 11,680,495.52
  5. Step 5: Solve for x
    x = 11,680,495.52/3,948.54
  6. Step 6: Final answer
    x = 2,958.18

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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.