Home / 2,817.12-4,225.14-2,272.50

Finding the Fourth Proportional to 2,817.12, 4,225.14 and 2,272.50

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Solution

The fourth proportional to 2,817.12, 4,225.14 and 2,272.50 is: 3,408.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,817.12 : 4,225.14 = 2,272.50 : x
  2. Step 2: Convert to fraction form
    2,817.12/4,225.14 = 2,272.50/x
  3. Step 3: Cross multiply
    2,817.12x = 4,225.14 × 2,272.50
  4. Step 4: Simplify right side
    2,817.12x = 9,601,630.65
  5. Step 5: Solve for x
    x = 9,601,630.65/2,817.12
  6. Step 6: Final answer
    x = 3,408.31

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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.