Home / 3,528.09-4,869.72-2,201.01

Finding the Fourth Proportional to 3,528.09, 4,869.72 and 2,201.01

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Solution

The fourth proportional to 3,528.09, 4,869.72 and 2,201.01 is: 3,037.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,528.09 : 4,869.72 = 2,201.01 : x
  2. Step 2: Convert to fraction form
    3,528.09/4,869.72 = 2,201.01/x
  3. Step 3: Cross multiply
    3,528.09x = 4,869.72 × 2,201.01
  4. Step 4: Simplify right side
    3,528.09x = 10,718,302.42
  5. Step 5: Solve for x
    x = 10,718,302.42/3,528.09
  6. Step 6: Final answer
    x = 3,037.99

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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.