Home / 2,997.35-4,133.66-1,878.41

Finding the Fourth Proportional to 2,997.35, 4,133.66 and 1,878.41

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Solution

The fourth proportional to 2,997.35, 4,133.66 and 1,878.41 is: 2,590.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,997.35 : 4,133.66 = 1,878.41 : x
  2. Step 2: Convert to fraction form
    2,997.35/4,133.66 = 1,878.41/x
  3. Step 3: Cross multiply
    2,997.35x = 4,133.66 × 1,878.41
  4. Step 4: Simplify right side
    2,997.35x = 7,764,709.22
  5. Step 5: Solve for x
    x = 7,764,709.22/2,997.35
  6. Step 6: Final answer
    x = 2,590.53

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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.