Home / 1,719.21-2,370.76-1,471.35

Finding the Fourth Proportional to 1,719.21, 2,370.76 and 1,471.35

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Solution

The fourth proportional to 1,719.21, 2,370.76 and 1,471.35 is: 2,028.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719.21 : 2,370.76 = 1,471.35 : x
  2. Step 2: Convert to fraction form
    1,719.21/2,370.76 = 1,471.35/x
  3. Step 3: Cross multiply
    1,719.21x = 2,370.76 × 1,471.35
  4. Step 4: Simplify right side
    1,719.21x = 3,488,217.73
  5. Step 5: Solve for x
    x = 3,488,217.73/1,719.21
  6. Step 6: Final answer
    x = 2,028.97

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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.