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Finding the Fourth Proportional to 3,393.02, 4,676.03 and 2,645.80

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Solution

The fourth proportional to 3,393.02, 4,676.03 and 2,645.80 is: 3,646.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,393.02 : 4,676.03 = 2,645.80 : x
  2. Step 2: Convert to fraction form
    3,393.02/4,676.03 = 2,645.80/x
  3. Step 3: Cross multiply
    3,393.02x = 4,676.03 × 2,645.80
  4. Step 4: Simplify right side
    3,393.02x = 12,371,825.18
  5. Step 5: Solve for x
    x = 12,371,825.18/3,393.02
  6. Step 6: Final answer
    x = 3,646.25

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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.