Home / 1,743.68-2,388.85-1,678.04

Finding the Fourth Proportional to 1,743.68, 2,388.85 and 1,678.04

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Solution

The fourth proportional to 1,743.68, 2,388.85 and 1,678.04 is: 2,298.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,743.68 : 2,388.85 = 1,678.04 : x
  2. Step 2: Convert to fraction form
    1,743.68/2,388.85 = 1,678.04/x
  3. Step 3: Cross multiply
    1,743.68x = 2,388.85 × 1,678.04
  4. Step 4: Simplify right side
    1,743.68x = 4,008,585.85
  5. Step 5: Solve for x
    x = 4,008,585.85/1,743.68
  6. Step 6: Final answer
    x = 2,298.92

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.