Home / 2,963.61-4,445.41-2,620.98

Finding the Fourth Proportional to 2,963.61, 4,445.41 and 2,620.98

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Solution

The fourth proportional to 2,963.61, 4,445.41 and 2,620.98 is: 3,931.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,963.61 : 4,445.41 = 2,620.98 : x
  2. Step 2: Convert to fraction form
    2,963.61/4,445.41 = 2,620.98/x
  3. Step 3: Cross multiply
    2,963.61x = 4,445.41 × 2,620.98
  4. Step 4: Simplify right side
    2,963.61x = 11,651,295.37
  5. Step 5: Solve for x
    x = 11,651,295.37/2,963.61
  6. Step 6: Final answer
    x = 3,931.46

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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.