Home / 3,446.12-5,145.84-2,707.40

Finding the Fourth Proportional to 3,446.12, 5,145.84 and 2,707.40

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Solution

The fourth proportional to 3,446.12, 5,145.84 and 2,707.40 is: 4,042.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,446.12 : 5,145.84 = 2,707.40 : x
  2. Step 2: Convert to fraction form
    3,446.12/5,145.84 = 2,707.40/x
  3. Step 3: Cross multiply
    3,446.12x = 5,145.84 × 2,707.40
  4. Step 4: Simplify right side
    3,446.12x = 13,931,847.22
  5. Step 5: Solve for x
    x = 13,931,847.22/3,446.12
  6. Step 6: Final answer
    x = 4,042.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.