Home / 2,997.06-4,136.19-1,670.85

Finding the Fourth Proportional to 2,997.06, 4,136.19 and 1,670.85

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Solution

The fourth proportional to 2,997.06, 4,136.19 and 1,670.85 is: 2,305.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,997.06 : 4,136.19 = 1,670.85 : x
  2. Step 2: Convert to fraction form
    2,997.06/4,136.19 = 1,670.85/x
  3. Step 3: Cross multiply
    2,997.06x = 4,136.19 × 1,670.85
  4. Step 4: Simplify right side
    2,997.06x = 6,910,953.06
  5. Step 5: Solve for x
    x = 6,910,953.06/2,997.06
  6. Step 6: Final answer
    x = 2,305.91

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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.