Home / 3,090.14-4,634.90-1,009.55

Finding the Fourth Proportional to 3,090.14, 4,634.90 and 1,009.55

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Solution

The fourth proportional to 3,090.14, 4,634.90 and 1,009.55 is: 1,514.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.14 : 4,634.90 = 1,009.55 : x
  2. Step 2: Convert to fraction form
    3,090.14/4,634.90 = 1,009.55/x
  3. Step 3: Cross multiply
    3,090.14x = 4,634.90 × 1,009.55
  4. Step 4: Simplify right side
    3,090.14x = 4,679,163.30
  5. Step 5: Solve for x
    x = 4,679,163.30/3,090.14
  6. Step 6: Final answer
    x = 1,514.22

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1.5x scale

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.