Home / 3,225.63-4,832.36-1,905.45

Finding the Fourth Proportional to 3,225.63, 4,832.36 and 1,905.45

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Solution

The fourth proportional to 3,225.63, 4,832.36 and 1,905.45 is: 2,854.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,225.63 : 4,832.36 = 1,905.45 : x
  2. Step 2: Convert to fraction form
    3,225.63/4,832.36 = 1,905.45/x
  3. Step 3: Cross multiply
    3,225.63x = 4,832.36 × 1,905.45
  4. Step 4: Simplify right side
    3,225.63x = 9,207,820.36
  5. Step 5: Solve for x
    x = 9,207,820.36/3,225.63
  6. Step 6: Final answer
    x = 2,854.58

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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.