Home / 3,119.07-4,302.43-1,859.29

Finding the Fourth Proportional to 3,119.07, 4,302.43 and 1,859.29

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Solution

The fourth proportional to 3,119.07, 4,302.43 and 1,859.29 is: 2,564.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119.07 : 4,302.43 = 1,859.29 : x
  2. Step 2: Convert to fraction form
    3,119.07/4,302.43 = 1,859.29/x
  3. Step 3: Cross multiply
    3,119.07x = 4,302.43 × 1,859.29
  4. Step 4: Simplify right side
    3,119.07x = 7,999,460.13
  5. Step 5: Solve for x
    x = 7,999,460.13/3,119.07
  6. Step 6: Final answer
    x = 2,564.69

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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.