Home / 2,900.33-3,999.87-2,340.62

Finding the Fourth Proportional to 2,900.33, 3,999.87 and 2,340.62

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Solution

The fourth proportional to 2,900.33, 3,999.87 and 2,340.62 is: 3,227.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,900.33 : 3,999.87 = 2,340.62 : x
  2. Step 2: Convert to fraction form
    2,900.33/3,999.87 = 2,340.62/x
  3. Step 3: Cross multiply
    2,900.33x = 3,999.87 × 2,340.62
  4. Step 4: Simplify right side
    2,900.33x = 9,362,155.72
  5. Step 5: Solve for x
    x = 9,362,155.72/2,900.33
  6. Step 6: Final answer
    x = 3,227.97

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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.