Home / 3,172.95-4,760.64-1,323.54

Finding the Fourth Proportional to 3,172.95, 4,760.64 and 1,323.54

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Solution

The fourth proportional to 3,172.95, 4,760.64 and 1,323.54 is: 1,985.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172.95 : 4,760.64 = 1,323.54 : x
  2. Step 2: Convert to fraction form
    3,172.95/4,760.64 = 1,323.54/x
  3. Step 3: Cross multiply
    3,172.95x = 4,760.64 × 1,323.54
  4. Step 4: Simplify right side
    3,172.95x = 6,300,897.47
  5. Step 5: Solve for x
    x = 6,300,897.47/3,172.95
  6. Step 6: Final answer
    x = 1,985.82

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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.