Home / 3,190.68-4,405.32-2,443.32

Finding the Fourth Proportional to 3,190.68, 4,405.32 and 2,443.32

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Solution

The fourth proportional to 3,190.68, 4,405.32 and 2,443.32 is: 3,373.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.68 : 4,405.32 = 2,443.32 : x
  2. Step 2: Convert to fraction form
    3,190.68/4,405.32 = 2,443.32/x
  3. Step 3: Cross multiply
    3,190.68x = 4,405.32 × 2,443.32
  4. Step 4: Simplify right side
    3,190.68x = 10,763,606.46
  5. Step 5: Solve for x
    x = 10,763,606.46/3,190.68
  6. Step 6: Final answer
    x = 3,373.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.