Home / 3,243.41-4,475.31-1,826.80

Finding the Fourth Proportional to 3,243.41, 4,475.31 and 1,826.80

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Solution

The fourth proportional to 3,243.41, 4,475.31 and 1,826.80 is: 2,520.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,243.41 : 4,475.31 = 1,826.80 : x
  2. Step 2: Convert to fraction form
    3,243.41/4,475.31 = 1,826.80/x
  3. Step 3: Cross multiply
    3,243.41x = 4,475.31 × 1,826.80
  4. Step 4: Simplify right side
    3,243.41x = 8,175,478.50
  5. Step 5: Solve for x
    x = 8,175,478.50/3,243.41
  6. Step 6: Final answer
    x = 2,520.64

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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.