Home / 4,172.63-5,758.29-2,309.63

Finding the Fourth Proportional to 4,172.63, 5,758.29 and 2,309.63

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Solution

The fourth proportional to 4,172.63, 5,758.29 and 2,309.63 is: 3,187.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,172.63 : 5,758.29 = 2,309.63 : x
  2. Step 2: Convert to fraction form
    4,172.63/5,758.29 = 2,309.63/x
  3. Step 3: Cross multiply
    4,172.63x = 5,758.29 × 2,309.63
  4. Step 4: Simplify right side
    4,172.63x = 13,299,490.54
  5. Step 5: Solve for x
    x = 13,299,490.54/4,172.63
  6. Step 6: Final answer
    x = 3,187.32

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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.