Home / 2,453.81-3,382.67-1,928.93

Finding the Fourth Proportional to 2,453.81, 3,382.67 and 1,928.93

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Solution

The fourth proportional to 2,453.81, 3,382.67 and 1,928.93 is: 2,659.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,453.81 : 3,382.67 = 1,928.93 : x
  2. Step 2: Convert to fraction form
    2,453.81/3,382.67 = 1,928.93/x
  3. Step 3: Cross multiply
    2,453.81x = 3,382.67 × 1,928.93
  4. Step 4: Simplify right side
    2,453.81x = 6,524,921.55
  5. Step 5: Solve for x
    x = 6,524,921.55/2,453.81
  6. Step 6: Final answer
    x = 2,659.10

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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.