Home / 3,090.60-4,631.56-1,704.58

Finding the Fourth Proportional to 3,090.60, 4,631.56 and 1,704.58

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Solution

The fourth proportional to 3,090.60, 4,631.56 and 1,704.58 is: 2,554.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.60 : 4,631.56 = 1,704.58 : x
  2. Step 2: Convert to fraction form
    3,090.60/4,631.56 = 1,704.58/x
  3. Step 3: Cross multiply
    3,090.60x = 4,631.56 × 1,704.58
  4. Step 4: Simplify right side
    3,090.60x = 7,894,864.54
  5. Step 5: Solve for x
    x = 7,894,864.54/3,090.60
  6. Step 6: Final answer
    x = 2,554.48

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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.