Home / 3,051.65-4,211.11-1,725.28

Finding the Fourth Proportional to 3,051.65, 4,211.11 and 1,725.28

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Solution

The fourth proportional to 3,051.65, 4,211.11 and 1,725.28 is: 2,380.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,051.65 : 4,211.11 = 1,725.28 : x
  2. Step 2: Convert to fraction form
    3,051.65/4,211.11 = 1,725.28/x
  3. Step 3: Cross multiply
    3,051.65x = 4,211.11 × 1,725.28
  4. Step 4: Simplify right side
    3,051.65x = 7,265,343.86
  5. Step 5: Solve for x
    x = 7,265,343.86/3,051.65
  6. Step 6: Final answer
    x = 2,380.79

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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.