Home / 3,200.32-4,800.48-1,009.28

Finding the Fourth Proportional to 3,200.32, 4,800.48 and 1,009.28

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Solution

The fourth proportional to 3,200.32, 4,800.48 and 1,009.28 is: 1,513.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,200.32 : 4,800.48 = 1,009.28 : x
  2. Step 2: Convert to fraction form
    3,200.32/4,800.48 = 1,009.28/x
  3. Step 3: Cross multiply
    3,200.32x = 4,800.48 × 1,009.28
  4. Step 4: Simplify right side
    3,200.32x = 4,845,028.45
  5. Step 5: Solve for x
    x = 4,845,028.45/3,200.32
  6. Step 6: Final answer
    x = 1,513.92

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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.