Home / 3,376.35-5,064.75-1,621.76

Finding the Fourth Proportional to 3,376.35, 5,064.75 and 1,621.76

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Solution

The fourth proportional to 3,376.35, 5,064.75 and 1,621.76 is: 2,432.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,376.35 : 5,064.75 = 1,621.76 : x
  2. Step 2: Convert to fraction form
    3,376.35/5,064.75 = 1,621.76/x
  3. Step 3: Cross multiply
    3,376.35x = 5,064.75 × 1,621.76
  4. Step 4: Simplify right side
    3,376.35x = 8,213,783.64
  5. Step 5: Solve for x
    x = 8,213,783.64/3,376.35
  6. Step 6: Final answer
    x = 2,432.74

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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.