Home / 2,964.49-4,090.79-1,638.24

Finding the Fourth Proportional to 2,964.49, 4,090.79 and 1,638.24

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Solution

The fourth proportional to 2,964.49, 4,090.79 and 1,638.24 is: 2,260.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,964.49 : 4,090.79 = 1,638.24 : x
  2. Step 2: Convert to fraction form
    2,964.49/4,090.79 = 1,638.24/x
  3. Step 3: Cross multiply
    2,964.49x = 4,090.79 × 1,638.24
  4. Step 4: Simplify right side
    2,964.49x = 6,701,687.62
  5. Step 5: Solve for x
    x = 6,701,687.62/2,964.49
  6. Step 6: Final answer
    x = 2,260.66

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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.