Home / 3,554.40-5,327.28-1,908.48

Finding the Fourth Proportional to 3,554.40, 5,327.28 and 1,908.48

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Solution

The fourth proportional to 3,554.40, 5,327.28 and 1,908.48 is: 2,860.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,554.40 : 5,327.28 = 1,908.48 : x
  2. Step 2: Convert to fraction form
    3,554.40/5,327.28 = 1,908.48/x
  3. Step 3: Cross multiply
    3,554.40x = 5,327.28 × 1,908.48
  4. Step 4: Simplify right side
    3,554.40x = 10,167,007.33
  5. Step 5: Solve for x
    x = 10,167,007.33/3,554.40
  6. Step 6: Final answer
    x = 2,860.40

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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.