Home / 4,172.29-6,254.89-1,830.51

Finding the Fourth Proportional to 4,172.29, 6,254.89 and 1,830.51

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Solution

The fourth proportional to 4,172.29, 6,254.89 and 1,830.51 is: 2,744.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,172.29 : 6,254.89 = 1,830.51 : x
  2. Step 2: Convert to fraction form
    4,172.29/6,254.89 = 1,830.51/x
  3. Step 3: Cross multiply
    4,172.29x = 6,254.89 × 1,830.51
  4. Step 4: Simplify right side
    4,172.29x = 11,449,634.12
  5. Step 5: Solve for x
    x = 11,449,634.12/4,172.29
  6. Step 6: Final answer
    x = 2,744.21

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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.