Home / 1,982.36-2,973.54-1,469.72

Finding the Fourth Proportional to 1,982.36, 2,973.54 and 1,469.72

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Solution

The fourth proportional to 1,982.36, 2,973.54 and 1,469.72 is: 2,204.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,982.36 : 2,973.54 = 1,469.72 : x
  2. Step 2: Convert to fraction form
    1,982.36/2,973.54 = 1,469.72/x
  3. Step 3: Cross multiply
    1,982.36x = 2,973.54 × 1,469.72
  4. Step 4: Simplify right side
    1,982.36x = 4,370,271.21
  5. Step 5: Solve for x
    x = 4,370,271.21/1,982.36
  6. Step 6: Final answer
    x = 2,204.58

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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.