Home / 2,814.24-3,884.58-1,766.64

Finding the Fourth Proportional to 2,814.24, 3,884.58 and 1,766.64

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Solution

The fourth proportional to 2,814.24, 3,884.58 and 1,766.64 is: 2,438.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,814.24 : 3,884.58 = 1,766.64 : x
  2. Step 2: Convert to fraction form
    2,814.24/3,884.58 = 1,766.64/x
  3. Step 3: Cross multiply
    2,814.24x = 3,884.58 × 1,766.64
  4. Step 4: Simplify right side
    2,814.24x = 6,862,654.41
  5. Step 5: Solve for x
    x = 6,862,654.41/2,814.24
  6. Step 6: Final answer
    x = 2,438.55

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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.