Home / 2,211.84-3,052.77-1,315.79

Finding the Fourth Proportional to 2,211.84, 3,052.77 and 1,315.79

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Solution

The fourth proportional to 2,211.84, 3,052.77 and 1,315.79 is: 1,816.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,211.84 : 3,052.77 = 1,315.79 : x
  2. Step 2: Convert to fraction form
    2,211.84/3,052.77 = 1,315.79/x
  3. Step 3: Cross multiply
    2,211.84x = 3,052.77 × 1,315.79
  4. Step 4: Simplify right side
    2,211.84x = 4,016,804.24
  5. Step 5: Solve for x
    x = 4,016,804.24/2,211.84
  6. Step 6: Final answer
    x = 1,816.05

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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.