Home / 1,614.10-2,228.72-1,240.49

Finding the Fourth Proportional to 1,614.10, 2,228.72 and 1,240.49

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Solution

The fourth proportional to 1,614.10, 2,228.72 and 1,240.49 is: 1,712.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,614.10 : 2,228.72 = 1,240.49 : x
  2. Step 2: Convert to fraction form
    1,614.10/2,228.72 = 1,240.49/x
  3. Step 3: Cross multiply
    1,614.10x = 2,228.72 × 1,240.49
  4. Step 4: Simplify right side
    1,614.10x = 2,764,704.87
  5. Step 5: Solve for x
    x = 2,764,704.87/1,614.10
  6. Step 6: Final answer
    x = 1,712.85

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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.