Home / 2,946.96-4,414.35-2,811.69

Finding the Fourth Proportional to 2,946.96, 4,414.35 and 2,811.69

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Solution

The fourth proportional to 2,946.96, 4,414.35 and 2,811.69 is: 4,211.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,946.96 : 4,414.35 = 2,811.69 : x
  2. Step 2: Convert to fraction form
    2,946.96/4,414.35 = 2,811.69/x
  3. Step 3: Cross multiply
    2,946.96x = 4,414.35 × 2,811.69
  4. Step 4: Simplify right side
    2,946.96x = 12,411,783.75
  5. Step 5: Solve for x
    x = 12,411,783.75/2,946.96
  6. Step 6: Final answer
    x = 4,211.72

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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.