Home / 3,644.97-5,029.47-2,152.68

Finding the Fourth Proportional to 3,644.97, 5,029.47 and 2,152.68

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Solution

The fourth proportional to 3,644.97, 5,029.47 and 2,152.68 is: 2,970.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,644.97 : 5,029.47 = 2,152.68 : x
  2. Step 2: Convert to fraction form
    3,644.97/5,029.47 = 2,152.68/x
  3. Step 3: Cross multiply
    3,644.97x = 5,029.47 × 2,152.68
  4. Step 4: Simplify right side
    3,644.97x = 10,826,839.48
  5. Step 5: Solve for x
    x = 10,826,839.48/3,644.97
  6. Step 6: Final answer
    x = 2,970.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.