Home / 3,614.92-4,988.32-2,122.64

Finding the Fourth Proportional to 3,614.92, 4,988.32 and 2,122.64

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Solution

The fourth proportional to 3,614.92, 4,988.32 and 2,122.64 is: 2,929.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,614.92 : 4,988.32 = 2,122.64 : x
  2. Step 2: Convert to fraction form
    3,614.92/4,988.32 = 2,122.64/x
  3. Step 3: Cross multiply
    3,614.92x = 4,988.32 × 2,122.64
  4. Step 4: Simplify right side
    3,614.92x = 10,588,407.56
  5. Step 5: Solve for x
    x = 10,588,407.56/3,614.92
  6. Step 6: Final answer
    x = 2,929.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.