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Finding the Fourth Proportional to 3,014.87, 4,521.88 and 936.30

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Solution

The fourth proportional to 3,014.87, 4,521.88 and 936.30 is: 1,404.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,014.87 : 4,521.88 = 936.30 : x
  2. Step 2: Convert to fraction form
    3,014.87/4,521.88 = 936.30/x
  3. Step 3: Cross multiply
    3,014.87x = 4,521.88 × 936.30
  4. Step 4: Simplify right side
    3,014.87x = 4,233,836.24
  5. Step 5: Solve for x
    x = 4,233,836.24/3,014.87
  6. Step 6: Final answer
    x = 1,404.32

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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.