Home / 2,768.99-4,154.52-1,125.96

Finding the Fourth Proportional to 2,768.99, 4,154.52 and 1,125.96

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Solution

The fourth proportional to 2,768.99, 4,154.52 and 1,125.96 is: 1,689.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768.99 : 4,154.52 = 1,125.96 : x
  2. Step 2: Convert to fraction form
    2,768.99/4,154.52 = 1,125.96/x
  3. Step 3: Cross multiply
    2,768.99x = 4,154.52 × 1,125.96
  4. Step 4: Simplify right side
    2,768.99x = 4,677,823.34
  5. Step 5: Solve for x
    x = 4,677,823.34/2,768.99
  6. Step 6: Final answer
    x = 1,689.36

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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.