Home / 1,614.24-2,228.64-994.08

Finding the Fourth Proportional to 1,614.24, 2,228.64 and 994.08

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Solution

The fourth proportional to 1,614.24, 2,228.64 and 994.08 is: 1,372.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,614.24 : 2,228.64 = 994.08 : x
  2. Step 2: Convert to fraction form
    1,614.24/2,228.64 = 994.08/x
  3. Step 3: Cross multiply
    1,614.24x = 2,228.64 × 994.08
  4. Step 4: Simplify right side
    1,614.24x = 2,215,446.45
  5. Step 5: Solve for x
    x = 2,215,446.45/1,614.24
  6. Step 6: Final answer
    x = 1,372.44

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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.