Home / 3,432.12-4,734.36-2,104.80

Finding the Fourth Proportional to 3,432.12, 4,734.36 and 2,104.80

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Solution

The fourth proportional to 3,432.12, 4,734.36 and 2,104.80 is: 2,903.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.12 : 4,734.36 = 2,104.80 : x
  2. Step 2: Convert to fraction form
    3,432.12/4,734.36 = 2,104.80/x
  3. Step 3: Cross multiply
    3,432.12x = 4,734.36 × 2,104.80
  4. Step 4: Simplify right side
    3,432.12x = 9,964,880.93
  5. Step 5: Solve for x
    x = 9,964,880.93/3,432.12
  6. Step 6: Final answer
    x = 2,903.42

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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.