Home / 3,021.64-4,170.90-2,088.52

Finding the Fourth Proportional to 3,021.64, 4,170.90 and 2,088.52

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Solution

The fourth proportional to 3,021.64, 4,170.90 and 2,088.52 is: 2,882.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021.64 : 4,170.90 = 2,088.52 : x
  2. Step 2: Convert to fraction form
    3,021.64/4,170.90 = 2,088.52/x
  3. Step 3: Cross multiply
    3,021.64x = 4,170.90 × 2,088.52
  4. Step 4: Simplify right side
    3,021.64x = 8,711,008.07
  5. Step 5: Solve for x
    x = 8,711,008.07/3,021.64
  6. Step 6: Final answer
    x = 2,882.87

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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.