Home / 3,868.98-5,336.54-2,471.10

Finding the Fourth Proportional to 3,868.98, 5,336.54 and 2,471.10

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Solution

The fourth proportional to 3,868.98, 5,336.54 and 2,471.10 is: 3,408.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,868.98 : 5,336.54 = 2,471.10 : x
  2. Step 2: Convert to fraction form
    3,868.98/5,336.54 = 2,471.10/x
  3. Step 3: Cross multiply
    3,868.98x = 5,336.54 × 2,471.10
  4. Step 4: Simplify right side
    3,868.98x = 13,187,123.99
  5. Step 5: Solve for x
    x = 13,187,123.99/3,868.98
  6. Step 6: Final answer
    x = 3,408.42

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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.