Home / 3,172.45-4,760.05-1,323.93

Finding the Fourth Proportional to 3,172.45, 4,760.05 and 1,323.93

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Solution

The fourth proportional to 3,172.45, 4,760.05 and 1,323.93 is: 1,986.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172.45 : 4,760.05 = 1,323.93 : x
  2. Step 2: Convert to fraction form
    3,172.45/4,760.05 = 1,323.93/x
  3. Step 3: Cross multiply
    3,172.45x = 4,760.05 × 1,323.93
  4. Step 4: Simplify right side
    3,172.45x = 6,301,973.00
  5. Step 5: Solve for x
    x = 6,301,973.00/3,172.45
  6. Step 6: Final answer
    x = 1,986.47

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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.