Home / 3,090.58-4,636.92-1,702.15

Finding the Fourth Proportional to 3,090.58, 4,636.92 and 1,702.15

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Solution

The fourth proportional to 3,090.58, 4,636.92 and 1,702.15 is: 2,553.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.58 : 4,636.92 = 1,702.15 : x
  2. Step 2: Convert to fraction form
    3,090.58/4,636.92 = 1,702.15/x
  3. Step 3: Cross multiply
    3,090.58x = 4,636.92 × 1,702.15
  4. Step 4: Simplify right side
    3,090.58x = 7,892,733.38
  5. Step 5: Solve for x
    x = 7,892,733.38/3,090.58
  6. Step 6: Final answer
    x = 2,553.80

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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.