Home / 3,338.72-4,608.78-2,013.56

Finding the Fourth Proportional to 3,338.72, 4,608.78 and 2,013.56

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Solution

The fourth proportional to 3,338.72, 4,608.78 and 2,013.56 is: 2,779.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,338.72 : 4,608.78 = 2,013.56 : x
  2. Step 2: Convert to fraction form
    3,338.72/4,608.78 = 2,013.56/x
  3. Step 3: Cross multiply
    3,338.72x = 4,608.78 × 2,013.56
  4. Step 4: Simplify right side
    3,338.72x = 9,280,055.06
  5. Step 5: Solve for x
    x = 9,280,055.06/3,338.72
  6. Step 6: Final answer
    x = 2,779.52

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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.