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Finding the Fourth Proportional to 2,529.69, 3,794.53 and 885.84

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Solution

The fourth proportional to 2,529.69, 3,794.53 and 885.84 is: 1,328.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,529.69 : 3,794.53 = 885.84 : x
  2. Step 2: Convert to fraction form
    2,529.69/3,794.53 = 885.84/x
  3. Step 3: Cross multiply
    2,529.69x = 3,794.53 × 885.84
  4. Step 4: Simplify right side
    2,529.69x = 3,361,346.46
  5. Step 5: Solve for x
    x = 3,361,346.46/2,529.69
  6. Step 6: Final answer
    x = 1,328.76

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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.