Home / 3,548.27-5,322.41-1,987.54

Finding the Fourth Proportional to 3,548.27, 5,322.41 and 1,987.54

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Solution

The fourth proportional to 3,548.27, 5,322.41 and 1,987.54 is: 2,981.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,548.27 : 5,322.41 = 1,987.54 : x
  2. Step 2: Convert to fraction form
    3,548.27/5,322.41 = 1,987.54/x
  3. Step 3: Cross multiply
    3,548.27x = 5,322.41 × 1,987.54
  4. Step 4: Simplify right side
    3,548.27x = 10,578,466.22
  5. Step 5: Solve for x
    x = 10,578,466.22/3,548.27
  6. Step 6: Final answer
    x = 2,981.30

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Similar ratio
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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.