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Finding the Fourth Proportional to 2,640.61, 3,953.02 and 1,597.46

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Solution

The fourth proportional to 2,640.61, 3,953.02 and 1,597.46 is: 2,391.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640.61 : 3,953.02 = 1,597.46 : x
  2. Step 2: Convert to fraction form
    2,640.61/3,953.02 = 1,597.46/x
  3. Step 3: Cross multiply
    2,640.61x = 3,953.02 × 1,597.46
  4. Step 4: Simplify right side
    2,640.61x = 6,314,791.33
  5. Step 5: Solve for x
    x = 6,314,791.33/2,640.61
  6. Step 6: Final answer
    x = 2,391.41

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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.