Home / 4,243.68-5,856.57-2,380.68

Finding the Fourth Proportional to 4,243.68, 5,856.57 and 2,380.68

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Solution

The fourth proportional to 4,243.68, 5,856.57 and 2,380.68 is: 3,285.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,243.68 : 5,856.57 = 2,380.68 : x
  2. Step 2: Convert to fraction form
    4,243.68/5,856.57 = 2,380.68/x
  3. Step 3: Cross multiply
    4,243.68x = 5,856.57 × 2,380.68
  4. Step 4: Simplify right side
    4,243.68x = 13,942,619.07
  5. Step 5: Solve for x
    x = 13,942,619.07/4,243.68
  6. Step 6: Final answer
    x = 3,285.50

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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.