Home / 3,528.09-4,869.71-2,201

Finding the Fourth Proportional to 3,528.09, 4,869.71 and 2,201

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Solution

The fourth proportional to 3,528.09, 4,869.71 and 2,201 is: 3,037.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,528.09 : 4,869.71 = 2,201 : x
  2. Step 2: Convert to fraction form
    3,528.09/4,869.71 = 2,201/x
  3. Step 3: Cross multiply
    3,528.09x = 4,869.71 × 2,201
  4. Step 4: Simplify right side
    3,528.09x = 10,718,231.71
  5. Step 5: Solve for x
    x = 10,718,231.71/3,528.09
  6. Step 6: Final answer
    x = 3,037.97

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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.