Home / 3,539.19-4,884.21-2,123.11

Finding the Fourth Proportional to 3,539.19, 4,884.21 and 2,123.11

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Solution

The fourth proportional to 3,539.19, 4,884.21 and 2,123.11 is: 2,929.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539.19 : 4,884.21 = 2,123.11 : x
  2. Step 2: Convert to fraction form
    3,539.19/4,884.21 = 2,123.11/x
  3. Step 3: Cross multiply
    3,539.19x = 4,884.21 × 2,123.11
  4. Step 4: Simplify right side
    3,539.19x = 10,369,715.09
  5. Step 5: Solve for x
    x = 10,369,715.09/3,539.19
  6. Step 6: Final answer
    x = 2,929.97

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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.