Home / 3,638.40-5,023.44-2,296.05

Finding the Fourth Proportional to 3,638.40, 5,023.44 and 2,296.05

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Solution

The fourth proportional to 3,638.40, 5,023.44 and 2,296.05 is: 3,170.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638.40 : 5,023.44 = 2,296.05 : x
  2. Step 2: Convert to fraction form
    3,638.40/5,023.44 = 2,296.05/x
  3. Step 3: Cross multiply
    3,638.40x = 5,023.44 × 2,296.05
  4. Step 4: Simplify right side
    3,638.40x = 11,534,069.41
  5. Step 5: Solve for x
    x = 11,534,069.41/3,638.40
  6. Step 6: Final answer
    x = 3,170.09

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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.