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Finding the Fourth Proportional to 3,200.40, 4,793.40 and 1,904.40

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Solution

The fourth proportional to 3,200.40, 4,793.40 and 1,904.40 is: 2,852.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,200.40 : 4,793.40 = 1,904.40 : x
  2. Step 2: Convert to fraction form
    3,200.40/4,793.40 = 1,904.40/x
  3. Step 3: Cross multiply
    3,200.40x = 4,793.40 × 1,904.40
  4. Step 4: Simplify right side
    3,200.40x = 9,128,550.96
  5. Step 5: Solve for x
    x = 9,128,550.96/3,200.40
  6. Step 6: Final answer
    x = 2,852.32

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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.