Home / 4,278.38-5,905.56-2,509.94

Finding the Fourth Proportional to 4,278.38, 5,905.56 and 2,509.94

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Solution

The fourth proportional to 4,278.38, 5,905.56 and 2,509.94 is: 3,464.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,278.38 : 5,905.56 = 2,509.94 : x
  2. Step 2: Convert to fraction form
    4,278.38/5,905.56 = 2,509.94/x
  3. Step 3: Cross multiply
    4,278.38x = 5,905.56 × 2,509.94
  4. Step 4: Simplify right side
    4,278.38x = 14,822,601.27
  5. Step 5: Solve for x
    x = 14,822,601.27/4,278.38
  6. Step 6: Final answer
    x = 3,464.54

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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.