Home / 2,900.21-4,344.44-1,338.03

Finding the Fourth Proportional to 2,900.21, 4,344.44 and 1,338.03

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Solution

The fourth proportional to 2,900.21, 4,344.44 and 1,338.03 is: 2,004.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,900.21 : 4,344.44 = 1,338.03 : x
  2. Step 2: Convert to fraction form
    2,900.21/4,344.44 = 1,338.03/x
  3. Step 3: Cross multiply
    2,900.21x = 4,344.44 × 1,338.03
  4. Step 4: Simplify right side
    2,900.21x = 5,812,984.36
  5. Step 5: Solve for x
    x = 5,812,984.36/2,900.21
  6. Step 6: Final answer
    x = 2,004.34

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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.