Home / 2,884.11-4,326.53-1,128.89

Finding the Fourth Proportional to 2,884.11, 4,326.53 and 1,128.89

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Solution

The fourth proportional to 2,884.11, 4,326.53 and 1,128.89 is: 1,693.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,884.11 : 4,326.53 = 1,128.89 : x
  2. Step 2: Convert to fraction form
    2,884.11/4,326.53 = 1,128.89/x
  3. Step 3: Cross multiply
    2,884.11x = 4,326.53 × 1,128.89
  4. Step 4: Simplify right side
    2,884.11x = 4,884,175.81
  5. Step 5: Solve for x
    x = 4,884,175.81/2,884.11
  6. Step 6: Final answer
    x = 1,693.47

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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.