Home / 3,109.39-4,657.10-1,462.46

Finding the Fourth Proportional to 3,109.39, 4,657.10 and 1,462.46

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Solution

The fourth proportional to 3,109.39, 4,657.10 and 1,462.46 is: 2,190.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109.39 : 4,657.10 = 1,462.46 : x
  2. Step 2: Convert to fraction form
    3,109.39/4,657.10 = 1,462.46/x
  3. Step 3: Cross multiply
    3,109.39x = 4,657.10 × 1,462.46
  4. Step 4: Simplify right side
    3,109.39x = 6,810,791.87
  5. Step 5: Solve for x
    x = 6,810,791.87/3,109.39
  6. Step 6: Final answer
    x = 2,190.40

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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.