Home / 3,312.32-4,965.60-1,578.56

Finding the Fourth Proportional to 3,312.32, 4,965.60 and 1,578.56

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Solution

The fourth proportional to 3,312.32, 4,965.60 and 1,578.56 is: 2,366.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312.32 : 4,965.60 = 1,578.56 : x
  2. Step 2: Convert to fraction form
    3,312.32/4,965.60 = 1,578.56/x
  3. Step 3: Cross multiply
    3,312.32x = 4,965.60 × 1,578.56
  4. Step 4: Simplify right side
    3,312.32x = 7,838,497.54
  5. Step 5: Solve for x
    x = 7,838,497.54/3,312.32
  6. Step 6: Final answer
    x = 2,366.47

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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.