Home / 2,742.40-4,115.67-2,356.84

Finding the Fourth Proportional to 2,742.40, 4,115.67 and 2,356.84

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Solution

The fourth proportional to 2,742.40, 4,115.67 and 2,356.84 is: 3,537.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,742.40 : 4,115.67 = 2,356.84 : x
  2. Step 2: Convert to fraction form
    2,742.40/4,115.67 = 2,356.84/x
  3. Step 3: Cross multiply
    2,742.40x = 4,115.67 × 2,356.84
  4. Step 4: Simplify right side
    2,742.40x = 9,699,975.68
  5. Step 5: Solve for x
    x = 9,699,975.68/2,742.40
  6. Step 6: Final answer
    x = 3,537.04

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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.