Home / 3,090.11-4,635.63-1,142.17

Finding the Fourth Proportional to 3,090.11, 4,635.63 and 1,142.17

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Solution

The fourth proportional to 3,090.11, 4,635.63 and 1,142.17 is: 1,713.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.11 : 4,635.63 = 1,142.17 : x
  2. Step 2: Convert to fraction form
    3,090.11/4,635.63 = 1,142.17/x
  3. Step 3: Cross multiply
    3,090.11x = 4,635.63 × 1,142.17
  4. Step 4: Simplify right side
    3,090.11x = 5,294,665.93
  5. Step 5: Solve for x
    x = 5,294,665.93/3,090.11
  6. Step 6: Final answer
    x = 1,713.43

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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.