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Finding the Fourth Proportional to 3,521.94, 5,278.59 and 3,089.94

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Solution

The fourth proportional to 3,521.94, 5,278.59 and 3,089.94 is: 4,631.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521.94 : 5,278.59 = 3,089.94 : x
  2. Step 2: Convert to fraction form
    3,521.94/5,278.59 = 3,089.94/x
  3. Step 3: Cross multiply
    3,521.94x = 5,278.59 × 3,089.94
  4. Step 4: Simplify right side
    3,521.94x = 16,310,526.38
  5. Step 5: Solve for x
    x = 16,310,526.38/3,521.94
  6. Step 6: Final answer
    x = 4,631.12

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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.