Home / 3,390.04-4,682.73-2,729.40

Finding the Fourth Proportional to 3,390.04, 4,682.73 and 2,729.40

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Solution

The fourth proportional to 3,390.04, 4,682.73 and 2,729.40 is: 3,770.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390.04 : 4,682.73 = 2,729.40 : x
  2. Step 2: Convert to fraction form
    3,390.04/4,682.73 = 2,729.40/x
  3. Step 3: Cross multiply
    3,390.04x = 4,682.73 × 2,729.40
  4. Step 4: Simplify right side
    3,390.04x = 12,781,043.26
  5. Step 5: Solve for x
    x = 12,781,043.26/3,390.04
  6. Step 6: Final answer
    x = 3,770.17

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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.