Home / 3,986.95-5,502.13-2,393.85

Finding the Fourth Proportional to 3,986.95, 5,502.13 and 2,393.85

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Solution

The fourth proportional to 3,986.95, 5,502.13 and 2,393.85 is: 3,303.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,986.95 : 5,502.13 = 2,393.85 : x
  2. Step 2: Convert to fraction form
    3,986.95/5,502.13 = 2,393.85/x
  3. Step 3: Cross multiply
    3,986.95x = 5,502.13 × 2,393.85
  4. Step 4: Simplify right side
    3,986.95x = 13,171,288.55
  5. Step 5: Solve for x
    x = 13,171,288.55/3,986.95
  6. Step 6: Final answer
    x = 3,303.60

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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.