Home / 2,830.57-4,243.65-1,349.02

Finding the Fourth Proportional to 2,830.57, 4,243.65 and 1,349.02

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Solution

The fourth proportional to 2,830.57, 4,243.65 and 1,349.02 is: 2,022.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,830.57 : 4,243.65 = 1,349.02 : x
  2. Step 2: Convert to fraction form
    2,830.57/4,243.65 = 1,349.02/x
  3. Step 3: Cross multiply
    2,830.57x = 4,243.65 × 1,349.02
  4. Step 4: Simplify right side
    2,830.57x = 5,724,768.72
  5. Step 5: Solve for x
    x = 5,724,768.72/2,830.57
  6. Step 6: Final answer
    x = 2,022.48

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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.