Home / 4,172.17-5,757.60-2,309.17

Finding the Fourth Proportional to 4,172.17, 5,757.60 and 2,309.17

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Solution

The fourth proportional to 4,172.17, 5,757.60 and 2,309.17 is: 3,186.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,172.17 : 5,757.60 = 2,309.17 : x
  2. Step 2: Convert to fraction form
    4,172.17/5,757.60 = 2,309.17/x
  3. Step 3: Cross multiply
    4,172.17x = 5,757.60 × 2,309.17
  4. Step 4: Simplify right side
    4,172.17x = 13,295,277.19
  5. Step 5: Solve for x
    x = 13,295,277.19/4,172.17
  6. Step 6: Final answer
    x = 3,186.66

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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.