Home / 2,930.55-4,044.11-1,604.23

Finding the Fourth Proportional to 2,930.55, 4,044.11 and 1,604.23

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Solution

The fourth proportional to 2,930.55, 4,044.11 and 1,604.23 is: 2,213.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930.55 : 4,044.11 = 1,604.23 : x
  2. Step 2: Convert to fraction form
    2,930.55/4,044.11 = 1,604.23/x
  3. Step 3: Cross multiply
    2,930.55x = 4,044.11 × 1,604.23
  4. Step 4: Simplify right side
    2,930.55x = 6,487,664.45
  5. Step 5: Solve for x
    x = 6,487,664.45/2,930.55
  6. Step 6: Final answer
    x = 2,213.80

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1.5x scale

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.