Home / 2,903.25-4,003.77-2,239.05

Finding the Fourth Proportional to 2,903.25, 4,003.77 and 2,239.05

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Solution

The fourth proportional to 2,903.25, 4,003.77 and 2,239.05 is: 3,087.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,903.25 : 4,003.77 = 2,239.05 : x
  2. Step 2: Convert to fraction form
    2,903.25/4,003.77 = 2,239.05/x
  3. Step 3: Cross multiply
    2,903.25x = 4,003.77 × 2,239.05
  4. Step 4: Simplify right side
    2,903.25x = 8,964,641.22
  5. Step 5: Solve for x
    x = 8,964,641.22/2,903.25
  6. Step 6: Final answer
    x = 3,087.80

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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.