Home / 3,165.72-4,748.58-1,435.56

Finding the Fourth Proportional to 3,165.72, 4,748.58 and 1,435.56

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Solution

The fourth proportional to 3,165.72, 4,748.58 and 1,435.56 is: 2,153.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,165.72 : 4,748.58 = 1,435.56 : x
  2. Step 2: Convert to fraction form
    3,165.72/4,748.58 = 1,435.56/x
  3. Step 3: Cross multiply
    3,165.72x = 4,748.58 × 1,435.56
  4. Step 4: Simplify right side
    3,165.72x = 6,816,871.50
  5. Step 5: Solve for x
    x = 6,816,871.50/3,165.72
  6. Step 6: Final answer
    x = 2,153.34

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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.