Home / 3,090.12-4,634.70-1,010.11

Finding the Fourth Proportional to 3,090.12, 4,634.70 and 1,010.11

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Solution

The fourth proportional to 3,090.12, 4,634.70 and 1,010.11 is: 1,515.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.12 : 4,634.70 = 1,010.11 : x
  2. Step 2: Convert to fraction form
    3,090.12/4,634.70 = 1,010.11/x
  3. Step 3: Cross multiply
    3,090.12x = 4,634.70 × 1,010.11
  4. Step 4: Simplify right side
    3,090.12x = 4,681,556.82
  5. Step 5: Solve for x
    x = 4,681,556.82/3,090.12
  6. Step 6: Final answer
    x = 1,515.01

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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.