Home / 2,583.12-3,855.75-2,220.24

Finding the Fourth Proportional to 2,583.12, 3,855.75 and 2,220.24

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Solution

The fourth proportional to 2,583.12, 3,855.75 and 2,220.24 is: 3,314.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,583.12 : 3,855.75 = 2,220.24 : x
  2. Step 2: Convert to fraction form
    2,583.12/3,855.75 = 2,220.24/x
  3. Step 3: Cross multiply
    2,583.12x = 3,855.75 × 2,220.24
  4. Step 4: Simplify right side
    2,583.12x = 8,560,690.38
  5. Step 5: Solve for x
    x = 8,560,690.38/2,583.12
  6. Step 6: Final answer
    x = 3,314.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.