Home / 3,089.96-4,635.96-1,142.31

Finding the Fourth Proportional to 3,089.96, 4,635.96 and 1,142.31

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Solution

The fourth proportional to 3,089.96, 4,635.96 and 1,142.31 is: 1,713.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089.96 : 4,635.96 = 1,142.31 : x
  2. Step 2: Convert to fraction form
    3,089.96/4,635.96 = 1,142.31/x
  3. Step 3: Cross multiply
    3,089.96x = 4,635.96 × 1,142.31
  4. Step 4: Simplify right side
    3,089.96x = 5,295,703.47
  5. Step 5: Solve for x
    x = 5,295,703.47/3,089.96
  6. Step 6: Final answer
    x = 1,713.84

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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.