Home / 3,200.24-4,415.80-1,783.62

Finding the Fourth Proportional to 3,200.24, 4,415.80 and 1,783.62

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Solution

The fourth proportional to 3,200.24, 4,415.80 and 1,783.62 is: 2,461.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,200.24 : 4,415.80 = 1,783.62 : x
  2. Step 2: Convert to fraction form
    3,200.24/4,415.80 = 1,783.62/x
  3. Step 3: Cross multiply
    3,200.24x = 4,415.80 × 1,783.62
  4. Step 4: Simplify right side
    3,200.24x = 7,876,096.46
  5. Step 5: Solve for x
    x = 7,876,096.46/3,200.24
  6. Step 6: Final answer
    x = 2,461.09

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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.