Home / 3,376.68-5,060.43-1,622.40

Finding the Fourth Proportional to 3,376.68, 5,060.43 and 1,622.40

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Solution

The fourth proportional to 3,376.68, 5,060.43 and 1,622.40 is: 2,431.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,376.68 : 5,060.43 = 1,622.40 : x
  2. Step 2: Convert to fraction form
    3,376.68/5,060.43 = 1,622.40/x
  3. Step 3: Cross multiply
    3,376.68x = 5,060.43 × 1,622.40
  4. Step 4: Simplify right side
    3,376.68x = 8,210,041.63
  5. Step 5: Solve for x
    x = 8,210,041.63/3,376.68
  6. Step 6: Final answer
    x = 2,431.39

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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.