Home / 2,629.52-3,946.30-1,964.08

Finding the Fourth Proportional to 2,629.52, 3,946.30 and 1,964.08

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Solution

The fourth proportional to 2,629.52, 3,946.30 and 1,964.08 is: 2,947.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,629.52 : 3,946.30 = 1,964.08 : x
  2. Step 2: Convert to fraction form
    2,629.52/3,946.30 = 1,964.08/x
  3. Step 3: Cross multiply
    2,629.52x = 3,946.30 × 1,964.08
  4. Step 4: Simplify right side
    2,629.52x = 7,750,848.90
  5. Step 5: Solve for x
    x = 7,750,848.90/2,629.52
  6. Step 6: Final answer
    x = 2,947.63

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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.