Home / 4,172.40-5,757.72-2,309.52

Finding the Fourth Proportional to 4,172.40, 5,757.72 and 2,309.52

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Solution

The fourth proportional to 4,172.40, 5,757.72 and 2,309.52 is: 3,187.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,172.40 : 5,757.72 = 2,309.52 : x
  2. Step 2: Convert to fraction form
    4,172.40/5,757.72 = 2,309.52/x
  3. Step 3: Cross multiply
    4,172.40x = 5,757.72 × 2,309.52
  4. Step 4: Simplify right side
    4,172.40x = 13,297,569.49
  5. Step 5: Solve for x
    x = 13,297,569.49/4,172.40
  6. Step 6: Final answer
    x = 3,187.03

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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.