Home / 3,600.38-4,969.40-2,405.43

Finding the Fourth Proportional to 3,600.38, 4,969.40 and 2,405.43

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Solution

The fourth proportional to 3,600.38, 4,969.40 and 2,405.43 is: 3,320.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,600.38 : 4,969.40 = 2,405.43 : x
  2. Step 2: Convert to fraction form
    3,600.38/4,969.40 = 2,405.43/x
  3. Step 3: Cross multiply
    3,600.38x = 4,969.40 × 2,405.43
  4. Step 4: Simplify right side
    3,600.38x = 11,953,537.83
  5. Step 5: Solve for x
    x = 11,953,537.83/3,600.38
  6. Step 6: Final answer
    x = 3,320.07

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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.