Home / 2,973.61-4,103.62-1,647.35

Finding the Fourth Proportional to 2,973.61, 4,103.62 and 1,647.35

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Solution

The fourth proportional to 2,973.61, 4,103.62 and 1,647.35 is: 2,273.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,973.61 : 4,103.62 = 1,647.35 : x
  2. Step 2: Convert to fraction form
    2,973.61/4,103.62 = 1,647.35/x
  3. Step 3: Cross multiply
    2,973.61x = 4,103.62 × 1,647.35
  4. Step 4: Simplify right side
    2,973.61x = 6,760,069.65
  5. Step 5: Solve for x
    x = 6,760,069.65/2,973.61
  6. Step 6: Final answer
    x = 2,273.35

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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.