Home / 2,722.12-3,756.21-1,527.01

Finding the Fourth Proportional to 2,722.12, 3,756.21 and 1,527.01

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Solution

The fourth proportional to 2,722.12, 3,756.21 and 1,527.01 is: 2,107.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722.12 : 3,756.21 = 1,527.01 : x
  2. Step 2: Convert to fraction form
    2,722.12/3,756.21 = 1,527.01/x
  3. Step 3: Cross multiply
    2,722.12x = 3,756.21 × 1,527.01
  4. Step 4: Simplify right side
    2,722.12x = 5,735,770.23
  5. Step 5: Solve for x
    x = 5,735,770.23/2,722.12
  6. Step 6: Final answer
    x = 2,107.10

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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.