Home / 4,084.51-6,124.32-1,620.49

Finding the Fourth Proportional to 4,084.51, 6,124.32 and 1,620.49

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Solution

The fourth proportional to 4,084.51, 6,124.32 and 1,620.49 is: 2,429.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,084.51 : 6,124.32 = 1,620.49 : x
  2. Step 2: Convert to fraction form
    4,084.51/6,124.32 = 1,620.49/x
  3. Step 3: Cross multiply
    4,084.51x = 6,124.32 × 1,620.49
  4. Step 4: Simplify right side
    4,084.51x = 9,924,399.32
  5. Step 5: Solve for x
    x = 9,924,399.32/4,084.51
  6. Step 6: Final answer
    x = 2,429.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.