Home / 2,036.79-2,810.78-1,105.29

Finding the Fourth Proportional to 2,036.79, 2,810.78 and 1,105.29

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Solution

The fourth proportional to 2,036.79, 2,810.78 and 1,105.29 is: 1,525.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,036.79 : 2,810.78 = 1,105.29 : x
  2. Step 2: Convert to fraction form
    2,036.79/2,810.78 = 1,105.29/x
  3. Step 3: Cross multiply
    2,036.79x = 2,810.78 × 1,105.29
  4. Step 4: Simplify right side
    2,036.79x = 3,106,727.03
  5. Step 5: Solve for x
    x = 3,106,727.03/2,036.79
  6. Step 6: Final answer
    x = 1,525.31

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