Home / 3,709.24-5,111.58-2,823.64

Finding the Fourth Proportional to 3,709.24, 5,111.58 and 2,823.64

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Solution

The fourth proportional to 3,709.24, 5,111.58 and 2,823.64 is: 3,891.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,709.24 : 5,111.58 = 2,823.64 : x
  2. Step 2: Convert to fraction form
    3,709.24/5,111.58 = 2,823.64/x
  3. Step 3: Cross multiply
    3,709.24x = 5,111.58 × 2,823.64
  4. Step 4: Simplify right side
    3,709.24x = 14,433,261.75
  5. Step 5: Solve for x
    x = 14,433,261.75/3,709.24
  6. Step 6: Final answer
    x = 3,891.16

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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.