Home / 2,742.03-4,117.37-2,379.15

Finding the Fourth Proportional to 2,742.03, 4,117.37 and 2,379.15

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Solution

The fourth proportional to 2,742.03, 4,117.37 and 2,379.15 is: 3,572.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,742.03 : 4,117.37 = 2,379.15 : x
  2. Step 2: Convert to fraction form
    2,742.03/4,117.37 = 2,379.15/x
  3. Step 3: Cross multiply
    2,742.03x = 4,117.37 × 2,379.15
  4. Step 4: Simplify right side
    2,742.03x = 9,795,828.94
  5. Step 5: Solve for x
    x = 9,795,828.94/2,742.03
  6. Step 6: Final answer
    x = 3,572.47

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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.