Home / 3,512.43-5,271.37-1,323.15

Finding the Fourth Proportional to 3,512.43, 5,271.37 and 1,323.15

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Solution

The fourth proportional to 3,512.43, 5,271.37 and 1,323.15 is: 1,985.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512.43 : 5,271.37 = 1,323.15 : x
  2. Step 2: Convert to fraction form
    3,512.43/5,271.37 = 1,323.15/x
  3. Step 3: Cross multiply
    3,512.43x = 5,271.37 × 1,323.15
  4. Step 4: Simplify right side
    3,512.43x = 6,974,806.60
  5. Step 5: Solve for x
    x = 6,974,806.60/3,512.43
  6. Step 6: Final answer
    x = 1,985.75

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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.