Home / 2,841.02-4,262.70-1,280.60

Finding the Fourth Proportional to 2,841.02, 4,262.70 and 1,280.60

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Solution

The fourth proportional to 2,841.02, 4,262.70 and 1,280.60 is: 1,921.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,841.02 : 4,262.70 = 1,280.60 : x
  2. Step 2: Convert to fraction form
    2,841.02/4,262.70 = 1,280.60/x
  3. Step 3: Cross multiply
    2,841.02x = 4,262.70 × 1,280.60
  4. Step 4: Simplify right side
    2,841.02x = 5,458,813.62
  5. Step 5: Solve for x
    x = 5,458,813.62/2,841.02
  6. Step 6: Final answer
    x = 1,921.43

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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.