Home / 2,712.36-4,069.10-1,542.90

Finding the Fourth Proportional to 2,712.36, 4,069.10 and 1,542.90

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Solution

The fourth proportional to 2,712.36, 4,069.10 and 1,542.90 is: 2,314.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712.36 : 4,069.10 = 1,542.90 : x
  2. Step 2: Convert to fraction form
    2,712.36/4,069.10 = 1,542.90/x
  3. Step 3: Cross multiply
    2,712.36x = 4,069.10 × 1,542.90
  4. Step 4: Simplify right side
    2,712.36x = 6,278,214.39
  5. Step 5: Solve for x
    x = 6,278,214.39/2,712.36
  6. Step 6: Final answer
    x = 2,314.67

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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.