Home / 2,964.44-4,090.34-1,638.12

Finding the Fourth Proportional to 2,964.44, 4,090.34 and 1,638.12

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Solution

The fourth proportional to 2,964.44, 4,090.34 and 1,638.12 is: 2,260.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,964.44 : 4,090.34 = 1,638.12 : x
  2. Step 2: Convert to fraction form
    2,964.44/4,090.34 = 1,638.12/x
  3. Step 3: Cross multiply
    2,964.44x = 4,090.34 × 1,638.12
  4. Step 4: Simplify right side
    2,964.44x = 6,700,467.76
  5. Step 5: Solve for x
    x = 6,700,467.76/2,964.44
  6. Step 6: Final answer
    x = 2,260.28

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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.