Home / 2,664.98-3,677.60-1,670.80

Finding the Fourth Proportional to 2,664.98, 3,677.60 and 1,670.80

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Solution

The fourth proportional to 2,664.98, 3,677.60 and 1,670.80 is: 2,305.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,664.98 : 3,677.60 = 1,670.80 : x
  2. Step 2: Convert to fraction form
    2,664.98/3,677.60 = 1,670.80/x
  3. Step 3: Cross multiply
    2,664.98x = 3,677.60 × 1,670.80
  4. Step 4: Simplify right side
    2,664.98x = 6,144,534.08
  5. Step 5: Solve for x
    x = 6,144,534.08/2,664.98
  6. Step 6: Final answer
    x = 2,305.66

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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.