Home / 2,908.90-4,363.32-1,177.12

Finding the Fourth Proportional to 2,908.90, 4,363.32 and 1,177.12

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Solution

The fourth proportional to 2,908.90, 4,363.32 and 1,177.12 is: 1,765.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,908.90 : 4,363.32 = 1,177.12 : x
  2. Step 2: Convert to fraction form
    2,908.90/4,363.32 = 1,177.12/x
  3. Step 3: Cross multiply
    2,908.90x = 4,363.32 × 1,177.12
  4. Step 4: Simplify right side
    2,908.90x = 5,136,151.24
  5. Step 5: Solve for x
    x = 5,136,151.24/2,908.90
  6. Step 6: Final answer
    x = 1,765.67

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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.