Home / 3,617.82-4,994.34-2,808.45

Finding the Fourth Proportional to 3,617.82, 4,994.34 and 2,808.45

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Solution

The fourth proportional to 3,617.82, 4,994.34 and 2,808.45 is: 3,877.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.82 : 4,994.34 = 2,808.45 : x
  2. Step 2: Convert to fraction form
    3,617.82/4,994.34 = 2,808.45/x
  3. Step 3: Cross multiply
    3,617.82x = 4,994.34 × 2,808.45
  4. Step 4: Simplify right side
    3,617.82x = 14,026,354.17
  5. Step 5: Solve for x
    x = 14,026,354.17/3,617.82
  6. Step 6: Final answer
    x = 3,877.02

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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.