Home / 3,528.65-4,868.69-2,201.87

Finding the Fourth Proportional to 3,528.65, 4,868.69 and 2,201.87

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Solution

The fourth proportional to 3,528.65, 4,868.69 and 2,201.87 is: 3,038.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,528.65 : 4,868.69 = 2,201.87 : x
  2. Step 2: Convert to fraction form
    3,528.65/4,868.69 = 2,201.87/x
  3. Step 3: Cross multiply
    3,528.65x = 4,868.69 × 2,201.87
  4. Step 4: Simplify right side
    3,528.65x = 10,720,187.10
  5. Step 5: Solve for x
    x = 10,720,187.10/3,528.65
  6. Step 6: Final answer
    x = 3,038.05

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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.