Home / 1,789.14-2,467.76-1,728.93

Finding the Fourth Proportional to 1,789.14, 2,467.76 and 1,728.93

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Solution

The fourth proportional to 1,789.14, 2,467.76 and 1,728.93 is: 2,384.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,789.14 : 2,467.76 = 1,728.93 : x
  2. Step 2: Convert to fraction form
    1,789.14/2,467.76 = 1,728.93/x
  3. Step 3: Cross multiply
    1,789.14x = 2,467.76 × 1,728.93
  4. Step 4: Simplify right side
    1,789.14x = 4,266,572.88
  5. Step 5: Solve for x
    x = 4,266,572.88/1,789.14
  6. Step 6: Final answer
    x = 2,384.71

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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.