Home / 3,623.52-5,423.28-3,116.64

Finding the Fourth Proportional to 3,623.52, 5,423.28 and 3,116.64

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Solution

The fourth proportional to 3,623.52, 5,423.28 and 3,116.64 is: 4,664.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,623.52 : 5,423.28 = 3,116.64 : x
  2. Step 2: Convert to fraction form
    3,623.52/5,423.28 = 3,116.64/x
  3. Step 3: Cross multiply
    3,623.52x = 5,423.28 × 3,116.64
  4. Step 4: Simplify right side
    3,623.52x = 16,902,411.38
  5. Step 5: Solve for x
    x = 16,902,411.38/3,623.52
  6. Step 6: Final answer
    x = 4,664.64

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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.