Home / 3,554.48-4,904.70-1,982.36

Finding the Fourth Proportional to 3,554.48, 4,904.70 and 1,982.36

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Solution

The fourth proportional to 3,554.48, 4,904.70 and 1,982.36 is: 2,735.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,554.48 : 4,904.70 = 1,982.36 : x
  2. Step 2: Convert to fraction form
    3,554.48/4,904.70 = 1,982.36/x
  3. Step 3: Cross multiply
    3,554.48x = 4,904.70 × 1,982.36
  4. Step 4: Simplify right side
    3,554.48x = 9,722,881.09
  5. Step 5: Solve for x
    x = 9,722,881.09/3,554.48
  6. Step 6: Final answer
    x = 2,735.39

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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.