Home / 2,830.03-4,238.90-1,731.06

Finding the Fourth Proportional to 2,830.03, 4,238.90 and 1,731.06

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Solution

The fourth proportional to 2,830.03, 4,238.90 and 1,731.06 is: 2,592.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,830.03 : 4,238.90 = 1,731.06 : x
  2. Step 2: Convert to fraction form
    2,830.03/4,238.90 = 1,731.06/x
  3. Step 3: Cross multiply
    2,830.03x = 4,238.90 × 1,731.06
  4. Step 4: Simplify right side
    2,830.03x = 7,337,790.23
  5. Step 5: Solve for x
    x = 7,337,790.23/2,830.03
  6. Step 6: Final answer
    x = 2,592.83

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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.