Home / 2,828.09-4,242.27-1,368.47

Finding the Fourth Proportional to 2,828.09, 4,242.27 and 1,368.47

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Solution

The fourth proportional to 2,828.09, 4,242.27 and 1,368.47 is: 2,052.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,828.09 : 4,242.27 = 1,368.47 : x
  2. Step 2: Convert to fraction form
    2,828.09/4,242.27 = 1,368.47/x
  3. Step 3: Cross multiply
    2,828.09x = 4,242.27 × 1,368.47
  4. Step 4: Simplify right side
    2,828.09x = 5,805,419.23
  5. Step 5: Solve for x
    x = 5,805,419.23/2,828.09
  6. Step 6: Final answer
    x = 2,052.77

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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.