Home / 2,884.02-4,326.39-1,128.80

Finding the Fourth Proportional to 2,884.02, 4,326.39 and 1,128.80

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Solution

The fourth proportional to 2,884.02, 4,326.39 and 1,128.80 is: 1,693.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,884.02 : 4,326.39 = 1,128.80 : x
  2. Step 2: Convert to fraction form
    2,884.02/4,326.39 = 1,128.80/x
  3. Step 3: Cross multiply
    2,884.02x = 4,326.39 × 1,128.80
  4. Step 4: Simplify right side
    2,884.02x = 4,883,617.63
  5. Step 5: Solve for x
    x = 4,883,617.63/2,884.02
  6. Step 6: Final answer
    x = 1,693.34

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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.