Home / 3,432.39-4,735.58-2,105.61

Finding the Fourth Proportional to 3,432.39, 4,735.58 and 2,105.61

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Solution

The fourth proportional to 3,432.39, 4,735.58 and 2,105.61 is: 2,905.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.39 : 4,735.58 = 2,105.61 : x
  2. Step 2: Convert to fraction form
    3,432.39/4,735.58 = 2,105.61/x
  3. Step 3: Cross multiply
    3,432.39x = 4,735.58 × 2,105.61
  4. Step 4: Simplify right side
    3,432.39x = 9,971,274.08
  5. Step 5: Solve for x
    x = 9,971,274.08/3,432.39
  6. Step 6: Final answer
    x = 2,905.05

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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.