Home / 3,215.60-4,815.54-2,903.96

Finding the Fourth Proportional to 3,215.60, 4,815.54 and 2,903.96

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Solution

The fourth proportional to 3,215.60, 4,815.54 and 2,903.96 is: 4,348.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215.60 : 4,815.54 = 2,903.96 : x
  2. Step 2: Convert to fraction form
    3,215.60/4,815.54 = 2,903.96/x
  3. Step 3: Cross multiply
    3,215.60x = 4,815.54 × 2,903.96
  4. Step 4: Simplify right side
    3,215.60x = 13,984,111.46
  5. Step 5: Solve for x
    x = 13,984,111.46/3,215.60
  6. Step 6: Final answer
    x = 4,348.83

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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.