Home / 2,950.19-4,421.36-1,909.67

Finding the Fourth Proportional to 2,950.19, 4,421.36 and 1,909.67

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Solution

The fourth proportional to 2,950.19, 4,421.36 and 1,909.67 is: 2,861.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,950.19 : 4,421.36 = 1,909.67 : x
  2. Step 2: Convert to fraction form
    2,950.19/4,421.36 = 1,909.67/x
  3. Step 3: Cross multiply
    2,950.19x = 4,421.36 × 1,909.67
  4. Step 4: Simplify right side
    2,950.19x = 8,443,306.90
  5. Step 5: Solve for x
    x = 8,443,306.90/2,950.19
  6. Step 6: Final answer
    x = 2,861.96

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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.