Home / 2,271.54-3,384.47-2,122.50

Finding the Fourth Proportional to 2,271.54, 3,384.47 and 2,122.50

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Solution

The fourth proportional to 2,271.54, 3,384.47 and 2,122.50 is: 3,162.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,271.54 : 3,384.47 = 2,122.50 : x
  2. Step 2: Convert to fraction form
    2,271.54/3,384.47 = 2,122.50/x
  3. Step 3: Cross multiply
    2,271.54x = 3,384.47 × 2,122.50
  4. Step 4: Simplify right side
    2,271.54x = 7,183,537.58
  5. Step 5: Solve for x
    x = 7,183,537.58/2,271.54
  6. Step 6: Final answer
    x = 3,162.41

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.