Home / 2,038.26-2,812.81-1,199.00

Finding the Fourth Proportional to 2,038.26, 2,812.81 and 1,199.00

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Solution

The fourth proportional to 2,038.26, 2,812.81 and 1,199.00 is: 1,654.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,038.26 : 2,812.81 = 1,199.00 : x
  2. Step 2: Convert to fraction form
    2,038.26/2,812.81 = 1,199.00/x
  3. Step 3: Cross multiply
    2,038.26x = 2,812.81 × 1,199.00
  4. Step 4: Simplify right side
    2,038.26x = 3,372,542.13
  5. Step 5: Solve for x
    x = 3,372,542.13/2,038.26
  6. Step 6: Final answer
    x = 1,654.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.