Home / 3,406.09-5,111.93-1,763.14

Finding the Fourth Proportional to 3,406.09, 5,111.93 and 1,763.14

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Solution

The fourth proportional to 3,406.09, 5,111.93 and 1,763.14 is: 2,646.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,406.09 : 5,111.93 = 1,763.14 : x
  2. Step 2: Convert to fraction form
    3,406.09/5,111.93 = 1,763.14/x
  3. Step 3: Cross multiply
    3,406.09x = 5,111.93 × 1,763.14
  4. Step 4: Simplify right side
    3,406.09x = 9,013,048.26
  5. Step 5: Solve for x
    x = 9,013,048.26/3,406.09
  6. Step 6: Final answer
    x = 2,646.16

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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.