Home / 3,632.94-5,013.06-2,689.32

Finding the Fourth Proportional to 3,632.94, 5,013.06 and 2,689.32

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Solution

The fourth proportional to 3,632.94, 5,013.06 and 2,689.32 is: 3,710.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,632.94 : 5,013.06 = 2,689.32 : x
  2. Step 2: Convert to fraction form
    3,632.94/5,013.06 = 2,689.32/x
  3. Step 3: Cross multiply
    3,632.94x = 5,013.06 × 2,689.32
  4. Step 4: Simplify right side
    3,632.94x = 13,481,722.52
  5. Step 5: Solve for x
    x = 13,481,722.52/3,632.94
  6. Step 6: Final answer
    x = 3,710.97

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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.