Home / 1,665.14-2,297.38-966.38

Finding the Fourth Proportional to 1,665.14, 2,297.38 and 966.38

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Solution

The fourth proportional to 1,665.14, 2,297.38 and 966.38 is: 1,333.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665.14 : 2,297.38 = 966.38 : x
  2. Step 2: Convert to fraction form
    1,665.14/2,297.38 = 966.38/x
  3. Step 3: Cross multiply
    1,665.14x = 2,297.38 × 966.38
  4. Step 4: Simplify right side
    1,665.14x = 2,220,142.08
  5. Step 5: Solve for x
    x = 2,220,142.08/1,665.14
  6. Step 6: Final answer
    x = 1,333.31

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1.5x scale

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.