Home / 3,200.40-4,799.79-2,110.68

Finding the Fourth Proportional to 3,200.40, 4,799.79 and 2,110.68

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Solution

The fourth proportional to 3,200.40, 4,799.79 and 2,110.68 is: 3,165.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,200.40 : 4,799.79 = 2,110.68 : x
  2. Step 2: Convert to fraction form
    3,200.40/4,799.79 = 2,110.68/x
  3. Step 3: Cross multiply
    3,200.40x = 4,799.79 × 2,110.68
  4. Step 4: Simplify right side
    3,200.40x = 10,130,820.76
  5. Step 5: Solve for x
    x = 10,130,820.76/3,200.40
  6. Step 6: Final answer
    x = 3,165.49

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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.