Home / 4,309.64-5,945.68-2,629.88

Finding the Fourth Proportional to 4,309.64, 5,945.68 and 2,629.88

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Solution

The fourth proportional to 4,309.64, 5,945.68 and 2,629.88 is: 3,628.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,309.64 : 5,945.68 = 2,629.88 : x
  2. Step 2: Convert to fraction form
    4,309.64/5,945.68 = 2,629.88/x
  3. Step 3: Cross multiply
    4,309.64x = 5,945.68 × 2,629.88
  4. Step 4: Simplify right side
    4,309.64x = 15,636,424.92
  5. Step 5: Solve for x
    x = 15,636,424.92/4,309.64
  6. Step 6: Final answer
    x = 3,628.24

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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.