Home / 3,406.32-4,697.90-2,876.43

Finding the Fourth Proportional to 3,406.32, 4,697.90 and 2,876.43

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Solution

The fourth proportional to 3,406.32, 4,697.90 and 2,876.43 is: 3,967.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,406.32 : 4,697.90 = 2,876.43 : x
  2. Step 2: Convert to fraction form
    3,406.32/4,697.90 = 2,876.43/x
  3. Step 3: Cross multiply
    3,406.32x = 4,697.90 × 2,876.43
  4. Step 4: Simplify right side
    3,406.32x = 13,513,180.50
  5. Step 5: Solve for x
    x = 13,513,180.50/3,406.32
  6. Step 6: Final answer
    x = 3,967.09

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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.