Home / 3,057.28-4,218.24-2,313.76

Finding the Fourth Proportional to 3,057.28, 4,218.24 and 2,313.76

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Solution

The fourth proportional to 3,057.28, 4,218.24 and 2,313.76 is: 3,192.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,057.28 : 4,218.24 = 2,313.76 : x
  2. Step 2: Convert to fraction form
    3,057.28/4,218.24 = 2,313.76/x
  3. Step 3: Cross multiply
    3,057.28x = 4,218.24 × 2,313.76
  4. Step 4: Simplify right side
    3,057.28x = 9,759,994.98
  5. Step 5: Solve for x
    x = 9,759,994.98/3,057.28
  6. Step 6: Final answer
    x = 3,192.38

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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.