Home / 3,200.64-4,415.62-2,363.32

Finding the Fourth Proportional to 3,200.64, 4,415.62 and 2,363.32

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Solution

The fourth proportional to 3,200.64, 4,415.62 and 2,363.32 is: 3,260.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,200.64 : 4,415.62 = 2,363.32 : x
  2. Step 2: Convert to fraction form
    3,200.64/4,415.62 = 2,363.32/x
  3. Step 3: Cross multiply
    3,200.64x = 4,415.62 × 2,363.32
  4. Step 4: Simplify right side
    3,200.64x = 10,435,523.06
  5. Step 5: Solve for x
    x = 10,435,523.06/3,200.64
  6. Step 6: Final answer
    x = 3,260.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.