Home / 2,471.49-3,408.10-1,725.17

Finding the Fourth Proportional to 2,471.49, 3,408.10 and 1,725.17

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Solution

The fourth proportional to 2,471.49, 3,408.10 and 1,725.17 is: 2,378.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,471.49 : 3,408.10 = 1,725.17 : x
  2. Step 2: Convert to fraction form
    2,471.49/3,408.10 = 1,725.17/x
  3. Step 3: Cross multiply
    2,471.49x = 3,408.10 × 1,725.17
  4. Step 4: Simplify right side
    2,471.49x = 5,879,551.88
  5. Step 5: Solve for x
    x = 5,879,551.88/2,471.49
  6. Step 6: Final answer
    x = 2,378.95

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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.