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Finding the Fourth Proportional to 3,339.97, 4,588.51 and 2,990.46

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Solution

The fourth proportional to 3,339.97, 4,588.51 and 2,990.46 is: 4,108.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,339.97 : 4,588.51 = 2,990.46 : x
  2. Step 2: Convert to fraction form
    3,339.97/4,588.51 = 2,990.46/x
  3. Step 3: Cross multiply
    3,339.97x = 4,588.51 × 2,990.46
  4. Step 4: Simplify right side
    3,339.97x = 13,721,755.61
  5. Step 5: Solve for x
    x = 13,721,755.61/3,339.97
  6. Step 6: Final answer
    x = 4,108.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.