Home / 3,090.20-4,635.54-1,010.52

Finding the Fourth Proportional to 3,090.20, 4,635.54 and 1,010.52

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Solution

The fourth proportional to 3,090.20, 4,635.54 and 1,010.52 is: 1,515.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.20 : 4,635.54 = 1,010.52 : x
  2. Step 2: Convert to fraction form
    3,090.20/4,635.54 = 1,010.52/x
  3. Step 3: Cross multiply
    3,090.20x = 4,635.54 × 1,010.52
  4. Step 4: Simplify right side
    3,090.20x = 4,684,305.88
  5. Step 5: Solve for x
    x = 4,684,305.88/3,090.20
  6. Step 6: Final answer
    x = 1,515.86

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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.