Home / 3,320.68-4,583.48-1,994.64

Finding the Fourth Proportional to 3,320.68, 4,583.48 and 1,994.64

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Solution

The fourth proportional to 3,320.68, 4,583.48 and 1,994.64 is: 2,753.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.68 : 4,583.48 = 1,994.64 : x
  2. Step 2: Convert to fraction form
    3,320.68/4,583.48 = 1,994.64/x
  3. Step 3: Cross multiply
    3,320.68x = 4,583.48 × 1,994.64
  4. Step 4: Simplify right side
    3,320.68x = 9,142,392.55
  5. Step 5: Solve for x
    x = 9,142,392.55/3,320.68
  6. Step 6: Final answer
    x = 2,753.17

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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.