Home / 4,278.96-5,903.64-2,415.96

Finding the Fourth Proportional to 4,278.96, 5,903.64 and 2,415.96

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Solution

The fourth proportional to 4,278.96, 5,903.64 and 2,415.96 is: 3,333.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,278.96 : 5,903.64 = 2,415.96 : x
  2. Step 2: Convert to fraction form
    4,278.96/5,903.64 = 2,415.96/x
  3. Step 3: Cross multiply
    4,278.96x = 5,903.64 × 2,415.96
  4. Step 4: Simplify right side
    4,278.96x = 14,262,958.09
  5. Step 5: Solve for x
    x = 14,262,958.09/4,278.96
  6. Step 6: Final answer
    x = 3,333.28

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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.