Home / 2,948.92-4,421.13-1,909.96

Finding the Fourth Proportional to 2,948.92, 4,421.13 and 1,909.96

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Solution

The fourth proportional to 2,948.92, 4,421.13 and 1,909.96 is: 2,863.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948.92 : 4,421.13 = 1,909.96 : x
  2. Step 2: Convert to fraction form
    2,948.92/4,421.13 = 1,909.96/x
  3. Step 3: Cross multiply
    2,948.92x = 4,421.13 × 1,909.96
  4. Step 4: Simplify right side
    2,948.92x = 8,444,181.45
  5. Step 5: Solve for x
    x = 8,444,181.45/2,948.92
  6. Step 6: Final answer
    x = 2,863.48

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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.