Home / 3,045.76-4,202.56-1,718.96

Finding the Fourth Proportional to 3,045.76, 4,202.56 and 1,718.96

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Solution

The fourth proportional to 3,045.76, 4,202.56 and 1,718.96 is: 2,371.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,045.76 : 4,202.56 = 1,718.96 : x
  2. Step 2: Convert to fraction form
    3,045.76/4,202.56 = 1,718.96/x
  3. Step 3: Cross multiply
    3,045.76x = 4,202.56 × 1,718.96
  4. Step 4: Simplify right side
    3,045.76x = 7,224,032.54
  5. Step 5: Solve for x
    x = 7,224,032.54/3,045.76
  6. Step 6: Final answer
    x = 2,371.83

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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.