Home / 2,930.24-4,044.90-1,985.60

Finding the Fourth Proportional to 2,930.24, 4,044.90 and 1,985.60

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Solution

The fourth proportional to 2,930.24, 4,044.90 and 1,985.60 is: 2,740.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930.24 : 4,044.90 = 1,985.60 : x
  2. Step 2: Convert to fraction form
    2,930.24/4,044.90 = 1,985.60/x
  3. Step 3: Cross multiply
    2,930.24x = 4,044.90 × 1,985.60
  4. Step 4: Simplify right side
    2,930.24x = 8,031,553.44
  5. Step 5: Solve for x
    x = 8,031,553.44/2,930.24
  6. Step 6: Final answer
    x = 2,740.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.