Home / 3,316.64-4,977-1,930.59

Finding the Fourth Proportional to 3,316.64, 4,977 and 1,930.59

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Solution

The fourth proportional to 3,316.64, 4,977 and 1,930.59 is: 2,897.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316.64 : 4,977 = 1,930.59 : x
  2. Step 2: Convert to fraction form
    3,316.64/4,977 = 1,930.59/x
  3. Step 3: Cross multiply
    3,316.64x = 4,977 × 1,930.59
  4. Step 4: Simplify right side
    3,316.64x = 9,608,546.43
  5. Step 5: Solve for x
    x = 9,608,546.43/3,316.64
  6. Step 6: Final answer
    x = 2,897.08

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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.