Home / 2,964.42-4,090.80-1,638.04

Finding the Fourth Proportional to 2,964.42, 4,090.80 and 1,638.04

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Solution

The fourth proportional to 2,964.42, 4,090.80 and 1,638.04 is: 2,260.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,964.42 : 4,090.80 = 1,638.04 : x
  2. Step 2: Convert to fraction form
    2,964.42/4,090.80 = 1,638.04/x
  3. Step 3: Cross multiply
    2,964.42x = 4,090.80 × 1,638.04
  4. Step 4: Simplify right side
    2,964.42x = 6,700,894.03
  5. Step 5: Solve for x
    x = 6,700,894.03/2,964.42
  6. Step 6: Final answer
    x = 2,260.44

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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.