Home / 2,628.61-3,623.29-2,576.77

Finding the Fourth Proportional to 2,628.61, 3,623.29 and 2,576.77

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Solution

The fourth proportional to 2,628.61, 3,623.29 and 2,576.77 is: 3,551.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628.61 : 3,623.29 = 2,576.77 : x
  2. Step 2: Convert to fraction form
    2,628.61/3,623.29 = 2,576.77/x
  3. Step 3: Cross multiply
    2,628.61x = 3,623.29 × 2,576.77
  4. Step 4: Simplify right side
    2,628.61x = 9,336,384.97
  5. Step 5: Solve for x
    x = 9,336,384.97/2,628.61
  6. Step 6: Final answer
    x = 3,551.83

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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.