Home / 2,817.50-4,225.82-1,648.04

Finding the Fourth Proportional to 2,817.50, 4,225.82 and 1,648.04

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Solution

The fourth proportional to 2,817.50, 4,225.82 and 1,648.04 is: 2,471.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,817.50 : 4,225.82 = 1,648.04 : x
  2. Step 2: Convert to fraction form
    2,817.50/4,225.82 = 1,648.04/x
  3. Step 3: Cross multiply
    2,817.50x = 4,225.82 × 1,648.04
  4. Step 4: Simplify right side
    2,817.50x = 6,964,320.39
  5. Step 5: Solve for x
    x = 6,964,320.39/2,817.50
  6. Step 6: Final answer
    x = 2,471.81

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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.