Home / 3,049.46-4,208.56-1,871.30

Finding the Fourth Proportional to 3,049.46, 4,208.56 and 1,871.30

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Solution

The fourth proportional to 3,049.46, 4,208.56 and 1,871.30 is: 2,582.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,049.46 : 4,208.56 = 1,871.30 : x
  2. Step 2: Convert to fraction form
    3,049.46/4,208.56 = 1,871.30/x
  3. Step 3: Cross multiply
    3,049.46x = 4,208.56 × 1,871.30
  4. Step 4: Simplify right side
    3,049.46x = 7,875,478.33
  5. Step 5: Solve for x
    x = 7,875,478.33/3,049.46
  6. Step 6: Final answer
    x = 2,582.58

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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.