Home / 2,933.38-4,038.90-2,770.96

Finding the Fourth Proportional to 2,933.38, 4,038.90 and 2,770.96

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Solution

The fourth proportional to 2,933.38, 4,038.90 and 2,770.96 is: 3,815.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,933.38 : 4,038.90 = 2,770.96 : x
  2. Step 2: Convert to fraction form
    2,933.38/4,038.90 = 2,770.96/x
  3. Step 3: Cross multiply
    2,933.38x = 4,038.90 × 2,770.96
  4. Step 4: Simplify right side
    2,933.38x = 11,191,630.34
  5. Step 5: Solve for x
    x = 11,191,630.34/2,933.38
  6. Step 6: Final answer
    x = 3,815.27

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1.5x scale

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.