Home / 1,719.71-2,371.45-1,471.85

Finding the Fourth Proportional to 1,719.71, 2,371.45 and 1,471.85

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Solution

The fourth proportional to 1,719.71, 2,371.45 and 1,471.85 is: 2,029.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719.71 : 2,371.45 = 1,471.85 : x
  2. Step 2: Convert to fraction form
    1,719.71/2,371.45 = 1,471.85/x
  3. Step 3: Cross multiply
    1,719.71x = 2,371.45 × 1,471.85
  4. Step 4: Simplify right side
    1,719.71x = 3,490,418.68
  5. Step 5: Solve for x
    x = 3,490,418.68/1,719.71
  6. Step 6: Final answer
    x = 2,029.66

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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.