Home / 2,997.15-4,136.06-1,670.97

Finding the Fourth Proportional to 2,997.15, 4,136.06 and 1,670.97

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Solution

The fourth proportional to 2,997.15, 4,136.06 and 1,670.97 is: 2,305.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,997.15 : 4,136.06 = 1,670.97 : x
  2. Step 2: Convert to fraction form
    2,997.15/4,136.06 = 1,670.97/x
  3. Step 3: Cross multiply
    2,997.15x = 4,136.06 × 1,670.97
  4. Step 4: Simplify right side
    2,997.15x = 6,911,223.82
  5. Step 5: Solve for x
    x = 6,911,223.82/2,997.15
  6. Step 6: Final answer
    x = 2,305.93

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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.