Home / 3,012.57-4,525.88-2,655.09

Finding the Fourth Proportional to 3,012.57, 4,525.88 and 2,655.09

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Solution

The fourth proportional to 3,012.57, 4,525.88 and 2,655.09 is: 3,988.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012.57 : 4,525.88 = 2,655.09 : x
  2. Step 2: Convert to fraction form
    3,012.57/4,525.88 = 2,655.09/x
  3. Step 3: Cross multiply
    3,012.57x = 4,525.88 × 2,655.09
  4. Step 4: Simplify right side
    3,012.57x = 12,016,605.45
  5. Step 5: Solve for x
    x = 12,016,605.45/3,012.57
  6. Step 6: Final answer
    x = 3,988.82

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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.