Home / 3,992.98-5,510.55-2,313.85

Finding the Fourth Proportional to 3,992.98, 5,510.55 and 2,313.85

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Solution

The fourth proportional to 3,992.98, 5,510.55 and 2,313.85 is: 3,193.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992.98 : 5,510.55 = 2,313.85 : x
  2. Step 2: Convert to fraction form
    3,992.98/5,510.55 = 2,313.85/x
  3. Step 3: Cross multiply
    3,992.98x = 5,510.55 × 2,313.85
  4. Step 4: Simplify right side
    3,992.98x = 12,750,586.12
  5. Step 5: Solve for x
    x = 12,750,586.12/3,992.98
  6. Step 6: Final answer
    x = 3,193.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.