Home / 3,090.54-4,631.69-1,630.71

Finding the Fourth Proportional to 3,090.54, 4,631.69 and 1,630.71

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Solution

The fourth proportional to 3,090.54, 4,631.69 and 1,630.71 is: 2,443.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.54 : 4,631.69 = 1,630.71 : x
  2. Step 2: Convert to fraction form
    3,090.54/4,631.69 = 1,630.71/x
  3. Step 3: Cross multiply
    3,090.54x = 4,631.69 × 1,630.71
  4. Step 4: Simplify right side
    3,090.54x = 7,552,935.05
  5. Step 5: Solve for x
    x = 7,552,935.05/3,090.54
  6. Step 6: Final answer
    x = 2,443.89

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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.