Home / 3,200.51-4,800.77-1,351.15

Finding the Fourth Proportional to 3,200.51, 4,800.77 and 1,351.15

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Solution

The fourth proportional to 3,200.51, 4,800.77 and 1,351.15 is: 2,026.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,200.51 : 4,800.77 = 1,351.15 : x
  2. Step 2: Convert to fraction form
    3,200.51/4,800.77 = 1,351.15/x
  3. Step 3: Cross multiply
    3,200.51x = 4,800.77 × 1,351.15
  4. Step 4: Simplify right side
    3,200.51x = 6,486,546.69
  5. Step 5: Solve for x
    x = 6,486,546.69/3,200.51
  6. Step 6: Final answer
    x = 2,026.72

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Similar ratio
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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.