Home / 3,122.31-4,684.08-1,042.98

Finding the Fourth Proportional to 3,122.31, 4,684.08 and 1,042.98

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Solution

The fourth proportional to 3,122.31, 4,684.08 and 1,042.98 is: 1,564.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,122.31 : 4,684.08 = 1,042.98 : x
  2. Step 2: Convert to fraction form
    3,122.31/4,684.08 = 1,042.98/x
  3. Step 3: Cross multiply
    3,122.31x = 4,684.08 × 1,042.98
  4. Step 4: Simplify right side
    3,122.31x = 4,885,401.76
  5. Step 5: Solve for x
    x = 4,885,401.76/3,122.31
  6. Step 6: Final answer
    x = 1,564.68

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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.