Home / 3,421.85-4,722.15-1,849.95

Finding the Fourth Proportional to 3,421.85, 4,722.15 and 1,849.95

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Solution

The fourth proportional to 3,421.85, 4,722.15 and 1,849.95 is: 2,552.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,421.85 : 4,722.15 = 1,849.95 : x
  2. Step 2: Convert to fraction form
    3,421.85/4,722.15 = 1,849.95/x
  3. Step 3: Cross multiply
    3,421.85x = 4,722.15 × 1,849.95
  4. Step 4: Simplify right side
    3,421.85x = 8,735,741.39
  5. Step 5: Solve for x
    x = 8,735,741.39/3,421.85
  6. Step 6: Final answer
    x = 2,552.93

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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.