Home / 1,628.99-2,247.90-966.23

Finding the Fourth Proportional to 1,628.99, 2,247.90 and 966.23

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Solution

The fourth proportional to 1,628.99, 2,247.90 and 966.23 is: 1,333.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628.99 : 2,247.90 = 966.23 : x
  2. Step 2: Convert to fraction form
    1,628.99/2,247.90 = 966.23/x
  3. Step 3: Cross multiply
    1,628.99x = 2,247.90 × 966.23
  4. Step 4: Simplify right side
    1,628.99x = 2,171,988.42
  5. Step 5: Solve for x
    x = 2,171,988.42/1,628.99
  6. Step 6: Final answer
    x = 1,333.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.