Home / 3,644.98-5,455.23-2,640.10

Finding the Fourth Proportional to 3,644.98, 5,455.23 and 2,640.10

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Solution

The fourth proportional to 3,644.98, 5,455.23 and 2,640.10 is: 3,951.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,644.98 : 5,455.23 = 2,640.10 : x
  2. Step 2: Convert to fraction form
    3,644.98/5,455.23 = 2,640.10/x
  3. Step 3: Cross multiply
    3,644.98x = 5,455.23 × 2,640.10
  4. Step 4: Simplify right side
    3,644.98x = 14,402,352.72
  5. Step 5: Solve for x
    x = 14,402,352.72/3,644.98
  6. Step 6: Final answer
    x = 3,951.28

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1.5x scale

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.