Home / 3,628.62-5,430.57-2,810.52

Finding the Fourth Proportional to 3,628.62, 5,430.57 and 2,810.52

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Solution

The fourth proportional to 3,628.62, 5,430.57 and 2,810.52 is: 4,206.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,628.62 : 5,430.57 = 2,810.52 : x
  2. Step 2: Convert to fraction form
    3,628.62/5,430.57 = 2,810.52/x
  3. Step 3: Cross multiply
    3,628.62x = 5,430.57 × 2,810.52
  4. Step 4: Simplify right side
    3,628.62x = 15,262,725.60
  5. Step 5: Solve for x
    x = 15,262,725.60/3,628.62
  6. Step 6: Final answer
    x = 4,206.21

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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.