Home / 3,639.29-5,458.88-2,075.96

Finding the Fourth Proportional to 3,639.29, 5,458.88 and 2,075.96

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Solution

The fourth proportional to 3,639.29, 5,458.88 and 2,075.96 is: 3,113.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639.29 : 5,458.88 = 2,075.96 : x
  2. Step 2: Convert to fraction form
    3,639.29/5,458.88 = 2,075.96/x
  3. Step 3: Cross multiply
    3,639.29x = 5,458.88 × 2,075.96
  4. Step 4: Simplify right side
    3,639.29x = 11,332,394.42
  5. Step 5: Solve for x
    x = 11,332,394.42/3,639.29
  6. Step 6: Final answer
    x = 3,113.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.