Home / 3,527.20-5,281.20-2,759.20

Finding the Fourth Proportional to 3,527.20, 5,281.20 and 2,759.20

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Solution

The fourth proportional to 3,527.20, 5,281.20 and 2,759.20 is: 4,131.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,527.20 : 5,281.20 = 2,759.20 : x
  2. Step 2: Convert to fraction form
    3,527.20/5,281.20 = 2,759.20/x
  3. Step 3: Cross multiply
    3,527.20x = 5,281.20 × 2,759.20
  4. Step 4: Simplify right side
    3,527.20x = 14,571,887.04
  5. Step 5: Solve for x
    x = 14,571,887.04/3,527.20
  6. Step 6: Final answer
    x = 4,131.29

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1.5x scale

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.