Home / 3,051-4,211.10-1,809.72

Finding the Fourth Proportional to 3,051, 4,211.10 and 1,809.72

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Solution

The fourth proportional to 3,051, 4,211.10 and 1,809.72 is: 2,497.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,051 : 4,211.10 = 1,809.72 : x
  2. Step 2: Convert to fraction form
    3,051/4,211.10 = 1,809.72/x
  3. Step 3: Cross multiply
    3,051x = 4,211.10 × 1,809.72
  4. Step 4: Simplify right side
    3,051x = 7,620,911.89
  5. Step 5: Solve for x
    x = 7,620,911.89/3,051
  6. Step 6: Final answer
    x = 2,497.84

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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.