Home / 3,521.08-4,859.22-2,123.56

Finding the Fourth Proportional to 3,521.08, 4,859.22 and 2,123.56

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Solution

The fourth proportional to 3,521.08, 4,859.22 and 2,123.56 is: 2,930.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521.08 : 4,859.22 = 2,123.56 : x
  2. Step 2: Convert to fraction form
    3,521.08/4,859.22 = 2,123.56/x
  3. Step 3: Cross multiply
    3,521.08x = 4,859.22 × 2,123.56
  4. Step 4: Simplify right side
    3,521.08x = 10,318,845.22
  5. Step 5: Solve for x
    x = 10,318,845.22/3,521.08
  6. Step 6: Final answer
    x = 2,930.59

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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.