Home / 3,271.78-4,515.02-2,436.22

Finding the Fourth Proportional to 3,271.78, 4,515.02 and 2,436.22

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Solution

The fourth proportional to 3,271.78, 4,515.02 and 2,436.22 is: 3,361.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.78 : 4,515.02 = 2,436.22 : x
  2. Step 2: Convert to fraction form
    3,271.78/4,515.02 = 2,436.22/x
  3. Step 3: Cross multiply
    3,271.78x = 4,515.02 × 2,436.22
  4. Step 4: Simplify right side
    3,271.78x = 10,999,582.02
  5. Step 5: Solve for x
    x = 10,999,582.02/3,271.78
  6. Step 6: Final answer
    x = 3,361.96

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1.5x scale

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.