Home / 2,768.48-4,154.36-1,124.90

Finding the Fourth Proportional to 2,768.48, 4,154.36 and 1,124.90

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Solution

The fourth proportional to 2,768.48, 4,154.36 and 1,124.90 is: 1,688.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768.48 : 4,154.36 = 1,124.90 : x
  2. Step 2: Convert to fraction form
    2,768.48/4,154.36 = 1,124.90/x
  3. Step 3: Cross multiply
    2,768.48x = 4,154.36 × 1,124.90
  4. Step 4: Simplify right side
    2,768.48x = 4,673,239.56
  5. Step 5: Solve for x
    x = 4,673,239.56/2,768.48
  6. Step 6: Final answer
    x = 1,688.02

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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.