Home / 3,623.47-5,434.39-1,772.72

Finding the Fourth Proportional to 3,623.47, 5,434.39 and 1,772.72

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Solution

The fourth proportional to 3,623.47, 5,434.39 and 1,772.72 is: 2,658.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,623.47 : 5,434.39 = 1,772.72 : x
  2. Step 2: Convert to fraction form
    3,623.47/5,434.39 = 1,772.72/x
  3. Step 3: Cross multiply
    3,623.47x = 5,434.39 × 1,772.72
  4. Step 4: Simplify right side
    3,623.47x = 9,633,647.26
  5. Step 5: Solve for x
    x = 9,633,647.26/3,623.47
  6. Step 6: Final answer
    x = 2,658.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.