Home / 3,200.12-4,799.55-1,008.98

Finding the Fourth Proportional to 3,200.12, 4,799.55 and 1,008.98

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Solution

The fourth proportional to 3,200.12, 4,799.55 and 1,008.98 is: 1,513.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,200.12 : 4,799.55 = 1,008.98 : x
  2. Step 2: Convert to fraction form
    3,200.12/4,799.55 = 1,008.98/x
  3. Step 3: Cross multiply
    3,200.12x = 4,799.55 × 1,008.98
  4. Step 4: Simplify right side
    3,200.12x = 4,842,649.96
  5. Step 5: Solve for x
    x = 4,842,649.96/3,200.12
  6. Step 6: Final answer
    x = 1,513.27

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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.