Home / 4,072.88-5,620.32-2,304.68

Finding the Fourth Proportional to 4,072.88, 5,620.32 and 2,304.68

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Solution

The fourth proportional to 4,072.88, 5,620.32 and 2,304.68 is: 3,180.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,072.88 : 5,620.32 = 2,304.68 : x
  2. Step 2: Convert to fraction form
    4,072.88/5,620.32 = 2,304.68/x
  3. Step 3: Cross multiply
    4,072.88x = 5,620.32 × 2,304.68
  4. Step 4: Simplify right side
    4,072.88x = 12,953,039.10
  5. Step 5: Solve for x
    x = 12,953,039.10/4,072.88
  6. Step 6: Final answer
    x = 3,180.31

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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.