Home / 2,249.64-3,087.99-1,995.40

Finding the Fourth Proportional to 2,249.64, 3,087.99 and 1,995.40

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Solution

The fourth proportional to 2,249.64, 3,087.99 and 1,995.40 is: 2,739.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,249.64 : 3,087.99 = 1,995.40 : x
  2. Step 2: Convert to fraction form
    2,249.64/3,087.99 = 1,995.40/x
  3. Step 3: Cross multiply
    2,249.64x = 3,087.99 × 1,995.40
  4. Step 4: Simplify right side
    2,249.64x = 6,161,779.11
  5. Step 5: Solve for x
    x = 6,161,779.11/2,249.64
  6. Step 6: Final answer
    x = 2,739.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.