Home / 3,090.48-4,638.16-1,630.16

Finding the Fourth Proportional to 3,090.48, 4,638.16 and 1,630.16

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Solution

The fourth proportional to 3,090.48, 4,638.16 and 1,630.16 is: 2,446.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.48 : 4,638.16 = 1,630.16 : x
  2. Step 2: Convert to fraction form
    3,090.48/4,638.16 = 1,630.16/x
  3. Step 3: Cross multiply
    3,090.48x = 4,638.16 × 1,630.16
  4. Step 4: Simplify right side
    3,090.48x = 7,560,942.91
  5. Step 5: Solve for x
    x = 7,560,942.91/3,090.48
  6. Step 6: Final answer
    x = 2,446.53

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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.