Home / 2,743.02-4,122.23-1,882.80

Finding the Fourth Proportional to 2,743.02, 4,122.23 and 1,882.80

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Solution

The fourth proportional to 2,743.02, 4,122.23 and 1,882.80 is: 2,829.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,743.02 : 4,122.23 = 1,882.80 : x
  2. Step 2: Convert to fraction form
    2,743.02/4,122.23 = 1,882.80/x
  3. Step 3: Cross multiply
    2,743.02x = 4,122.23 × 1,882.80
  4. Step 4: Simplify right side
    2,743.02x = 7,761,325.23
  5. Step 5: Solve for x
    x = 7,761,325.23/2,743.02
  6. Step 6: Final answer
    x = 2,829.48

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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.