Home / 2,723.98-3,758.08-1,661.38

Finding the Fourth Proportional to 2,723.98, 3,758.08 and 1,661.38

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Solution

The fourth proportional to 2,723.98, 3,758.08 and 1,661.38 is: 2,292.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,723.98 : 3,758.08 = 1,661.38 : x
  2. Step 2: Convert to fraction form
    2,723.98/3,758.08 = 1,661.38/x
  3. Step 3: Cross multiply
    2,723.98x = 3,758.08 × 1,661.38
  4. Step 4: Simplify right side
    2,723.98x = 6,243,588.52
  5. Step 5: Solve for x
    x = 6,243,588.52/2,723.98
  6. Step 6: Final answer
    x = 2,292.08

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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.