Home / 2,930.62-4,390.12-1,541.86

Finding the Fourth Proportional to 2,930.62, 4,390.12 and 1,541.86

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Solution

The fourth proportional to 2,930.62, 4,390.12 and 1,541.86 is: 2,309.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930.62 : 4,390.12 = 1,541.86 : x
  2. Step 2: Convert to fraction form
    2,930.62/4,390.12 = 1,541.86/x
  3. Step 3: Cross multiply
    2,930.62x = 4,390.12 × 1,541.86
  4. Step 4: Simplify right side
    2,930.62x = 6,768,950.42
  5. Step 5: Solve for x
    x = 6,768,950.42/2,930.62
  6. Step 6: Final answer
    x = 2,309.73

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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.