Home / 3,048.30-4,568.40-2,181.60

Finding the Fourth Proportional to 3,048.30, 4,568.40 and 2,181.60

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Solution

The fourth proportional to 3,048.30, 4,568.40 and 2,181.60 is: 3,269.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,048.30 : 4,568.40 = 2,181.60 : x
  2. Step 2: Convert to fraction form
    3,048.30/4,568.40 = 2,181.60/x
  3. Step 3: Cross multiply
    3,048.30x = 4,568.40 × 2,181.60
  4. Step 4: Simplify right side
    3,048.30x = 9,966,421.44
  5. Step 5: Solve for x
    x = 9,966,421.44/3,048.30
  6. Step 6: Final answer
    x = 3,269.50

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1.5x scale

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.