Home / 2,611.58-3,603.96-1,563.64

Finding the Fourth Proportional to 2,611.58, 3,603.96 and 1,563.64

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Solution

The fourth proportional to 2,611.58, 3,603.96 and 1,563.64 is: 2,157.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,611.58 : 3,603.96 = 1,563.64 : x
  2. Step 2: Convert to fraction form
    2,611.58/3,603.96 = 1,563.64/x
  3. Step 3: Cross multiply
    2,611.58x = 3,603.96 × 1,563.64
  4. Step 4: Simplify right side
    2,611.58x = 5,635,287.00
  5. Step 5: Solve for x
    x = 5,635,287.00/2,611.58
  6. Step 6: Final answer
    x = 2,157.81

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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.