Home / 3,174.70-4,752.45-2,829.10

Finding the Fourth Proportional to 3,174.70, 4,752.45 and 2,829.10

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Solution

The fourth proportional to 3,174.70, 4,752.45 and 2,829.10 is: 4,235.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,174.70 : 4,752.45 = 2,829.10 : x
  2. Step 2: Convert to fraction form
    3,174.70/4,752.45 = 2,829.10/x
  3. Step 3: Cross multiply
    3,174.70x = 4,752.45 × 2,829.10
  4. Step 4: Simplify right side
    3,174.70x = 13,445,156.30
  5. Step 5: Solve for x
    x = 13,445,156.30/3,174.70
  6. Step 6: Final answer
    x = 4,235.10

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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.