Home / 3,851.56-5,313.94-2,357.92

Finding the Fourth Proportional to 3,851.56, 5,313.94 and 2,357.92

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Solution

The fourth proportional to 3,851.56, 5,313.94 and 2,357.92 is: 3,253.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851.56 : 5,313.94 = 2,357.92 : x
  2. Step 2: Convert to fraction form
    3,851.56/5,313.94 = 2,357.92/x
  3. Step 3: Cross multiply
    3,851.56x = 5,313.94 × 2,357.92
  4. Step 4: Simplify right side
    3,851.56x = 12,529,845.40
  5. Step 5: Solve for x
    x = 12,529,845.40/3,851.56
  6. Step 6: Final answer
    x = 3,253.19

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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.