Home / 2,829.38-3,904.58-2,232.50

Finding the Fourth Proportional to 2,829.38, 3,904.58 and 2,232.50

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Solution

The fourth proportional to 2,829.38, 3,904.58 and 2,232.50 is: 3,080.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,829.38 : 3,904.58 = 2,232.50 : x
  2. Step 2: Convert to fraction form
    2,829.38/3,904.58 = 2,232.50/x
  3. Step 3: Cross multiply
    2,829.38x = 3,904.58 × 2,232.50
  4. Step 4: Simplify right side
    2,829.38x = 8,716,960.91
  5. Step 5: Solve for x
    x = 8,716,960.91/2,829.38
  6. Step 6: Final answer
    x = 3,080.88

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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.