Home / 3,200.68-4,798.64-2,158.12

Finding the Fourth Proportional to 3,200.68, 4,798.64 and 2,158.12

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Solution

The fourth proportional to 3,200.68, 4,798.64 and 2,158.12 is: 3,235.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,200.68 : 4,798.64 = 2,158.12 : x
  2. Step 2: Convert to fraction form
    3,200.68/4,798.64 = 2,158.12/x
  3. Step 3: Cross multiply
    3,200.68x = 4,798.64 × 2,158.12
  4. Step 4: Simplify right side
    3,200.68x = 10,356,040.96
  5. Step 5: Solve for x
    x = 10,356,040.96/3,200.68
  6. Step 6: Final answer
    x = 3,235.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.