Home / 2,081.19-2,872.04-1,149.69

Finding the Fourth Proportional to 2,081.19, 2,872.04 and 1,149.69

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Solution

The fourth proportional to 2,081.19, 2,872.04 and 1,149.69 is: 1,586.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,081.19 : 2,872.04 = 1,149.69 : x
  2. Step 2: Convert to fraction form
    2,081.19/2,872.04 = 1,149.69/x
  3. Step 3: Cross multiply
    2,081.19x = 2,872.04 × 1,149.69
  4. Step 4: Simplify right side
    2,081.19x = 3,301,955.67
  5. Step 5: Solve for x
    x = 3,301,955.67/2,081.19
  6. Step 6: Final answer
    x = 1,586.57

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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.