Home / 3,554.68-4,904.58-1,982.38

Finding the Fourth Proportional to 3,554.68, 4,904.58 and 1,982.38

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Solution

The fourth proportional to 3,554.68, 4,904.58 and 1,982.38 is: 2,735.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,554.68 : 4,904.58 = 1,982.38 : x
  2. Step 2: Convert to fraction form
    3,554.68/4,904.58 = 1,982.38/x
  3. Step 3: Cross multiply
    3,554.68x = 4,904.58 × 1,982.38
  4. Step 4: Simplify right side
    3,554.68x = 9,722,741.30
  5. Step 5: Solve for x
    x = 9,722,741.30/3,554.68
  6. Step 6: Final answer
    x = 2,735.19

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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.