Home / 2,764.80-4,140.72-2,110.32

Finding the Fourth Proportional to 2,764.80, 4,140.72 and 2,110.32

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Solution

The fourth proportional to 2,764.80, 4,140.72 and 2,110.32 is: 3,160.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,764.80 : 4,140.72 = 2,110.32 : x
  2. Step 2: Convert to fraction form
    2,764.80/4,140.72 = 2,110.32/x
  3. Step 3: Cross multiply
    2,764.80x = 4,140.72 × 2,110.32
  4. Step 4: Simplify right side
    2,764.80x = 8,738,244.23
  5. Step 5: Solve for x
    x = 8,738,244.23/2,764.80
  6. Step 6: Final answer
    x = 3,160.53

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1.5x scale

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.