Home / 3,416.86-4,715.28-2,072.02

Finding the Fourth Proportional to 3,416.86, 4,715.28 and 2,072.02

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Solution

The fourth proportional to 3,416.86, 4,715.28 and 2,072.02 is: 2,859.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,416.86 : 4,715.28 = 2,072.02 : x
  2. Step 2: Convert to fraction form
    3,416.86/4,715.28 = 2,072.02/x
  3. Step 3: Cross multiply
    3,416.86x = 4,715.28 × 2,072.02
  4. Step 4: Simplify right side
    3,416.86x = 9,770,154.47
  5. Step 5: Solve for x
    x = 9,770,154.47/3,416.86
  6. Step 6: Final answer
    x = 2,859.40

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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.