Home / 3,283.40-4,927.16-2,188.55

Finding the Fourth Proportional to 3,283.40, 4,927.16 and 2,188.55

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Solution

The fourth proportional to 3,283.40, 4,927.16 and 2,188.55 is: 3,284.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,283.40 : 4,927.16 = 2,188.55 : x
  2. Step 2: Convert to fraction form
    3,283.40/4,927.16 = 2,188.55/x
  3. Step 3: Cross multiply
    3,283.40x = 4,927.16 × 2,188.55
  4. Step 4: Simplify right side
    3,283.40x = 10,783,353.81
  5. Step 5: Solve for x
    x = 10,783,353.81/3,283.40
  6. Step 6: Final answer
    x = 3,284.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.