Home / 2,884.03-4,326.45-1,128.73

Finding the Fourth Proportional to 2,884.03, 4,326.45 and 1,128.73

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Solution

The fourth proportional to 2,884.03, 4,326.45 and 1,128.73 is: 1,693.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,884.03 : 4,326.45 = 1,128.73 : x
  2. Step 2: Convert to fraction form
    2,884.03/4,326.45 = 1,128.73/x
  3. Step 3: Cross multiply
    2,884.03x = 4,326.45 × 1,128.73
  4. Step 4: Simplify right side
    2,884.03x = 4,883,393.91
  5. Step 5: Solve for x
    x = 4,883,393.91/2,884.03
  6. Step 6: Final answer
    x = 1,693.25

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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.