Home / 3,283.40-4,925.10-2,181.80

Finding the Fourth Proportional to 3,283.40, 4,925.10 and 2,181.80

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Solution

The fourth proportional to 3,283.40, 4,925.10 and 2,181.80 is: 3,272.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,283.40 : 4,925.10 = 2,181.80 : x
  2. Step 2: Convert to fraction form
    3,283.40/4,925.10 = 2,181.80/x
  3. Step 3: Cross multiply
    3,283.40x = 4,925.10 × 2,181.80
  4. Step 4: Simplify right side
    3,283.40x = 10,745,583.18
  5. Step 5: Solve for x
    x = 10,745,583.18/3,283.40
  6. Step 6: Final answer
    x = 3,272.70

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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.