Home / 2,613.94-3,916.34-2,177.99

Finding the Fourth Proportional to 2,613.94, 3,916.34 and 2,177.99

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Solution

The fourth proportional to 2,613.94, 3,916.34 and 2,177.99 is: 3,263.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,613.94 : 3,916.34 = 2,177.99 : x
  2. Step 2: Convert to fraction form
    2,613.94/3,916.34 = 2,177.99/x
  3. Step 3: Cross multiply
    2,613.94x = 3,916.34 × 2,177.99
  4. Step 4: Simplify right side
    2,613.94x = 8,529,749.36
  5. Step 5: Solve for x
    x = 8,529,749.36/2,613.94
  6. Step 6: Final answer
    x = 3,263.18

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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.