Home / 3,554.36-5,331.53-1,908.64

Finding the Fourth Proportional to 3,554.36, 5,331.53 and 1,908.64

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Solution

The fourth proportional to 3,554.36, 5,331.53 and 1,908.64 is: 2,862.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,554.36 : 5,331.53 = 1,908.64 : x
  2. Step 2: Convert to fraction form
    3,554.36/5,331.53 = 1,908.64/x
  3. Step 3: Cross multiply
    3,554.36x = 5,331.53 × 1,908.64
  4. Step 4: Simplify right side
    3,554.36x = 10,175,970.54
  5. Step 5: Solve for x
    x = 10,175,970.54/3,554.36
  6. Step 6: Final answer
    x = 2,862.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.