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Finding the Fourth Proportional to 2,090.06, 3,134.17 and 628.87

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Solution

The fourth proportional to 2,090.06, 3,134.17 and 628.87 is: 943.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,090.06 : 3,134.17 = 628.87 : x
  2. Step 2: Convert to fraction form
    2,090.06/3,134.17 = 628.87/x
  3. Step 3: Cross multiply
    2,090.06x = 3,134.17 × 628.87
  4. Step 4: Simplify right side
    2,090.06x = 1,970,985.49
  5. Step 5: Solve for x
    x = 1,970,985.49/2,090.06
  6. Step 6: Final answer
    x = 943.03

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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.