Home / 3,632.85-5,011.72-2,140.07

Finding the Fourth Proportional to 3,632.85, 5,011.72 and 2,140.07

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Solution

The fourth proportional to 3,632.85, 5,011.72 and 2,140.07 is: 2,952.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,632.85 : 5,011.72 = 2,140.07 : x
  2. Step 2: Convert to fraction form
    3,632.85/5,011.72 = 2,140.07/x
  3. Step 3: Cross multiply
    3,632.85x = 5,011.72 × 2,140.07
  4. Step 4: Simplify right side
    3,632.85x = 10,725,441.44
  5. Step 5: Solve for x
    x = 10,725,441.44/3,632.85
  6. Step 6: Final answer
    x = 2,952.35

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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.