Home / 2,973.40-4,103.32-1,647.12

Finding the Fourth Proportional to 2,973.40, 4,103.32 and 1,647.12

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Solution

The fourth proportional to 2,973.40, 4,103.32 and 1,647.12 is: 2,273.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,973.40 : 4,103.32 = 1,647.12 : x
  2. Step 2: Convert to fraction form
    2,973.40/4,103.32 = 1,647.12/x
  3. Step 3: Cross multiply
    2,973.40x = 4,103.32 × 1,647.12
  4. Step 4: Simplify right side
    2,973.40x = 6,758,660.44
  5. Step 5: Solve for x
    x = 6,758,660.44/2,973.40
  6. Step 6: Final answer
    x = 2,273.04

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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.