Home / 3,911.49-5,856.90-2,742.93

Finding the Fourth Proportional to 3,911.49, 5,856.90 and 2,742.93

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Solution

The fourth proportional to 3,911.49, 5,856.90 and 2,742.93 is: 4,107.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,911.49 : 5,856.90 = 2,742.93 : x
  2. Step 2: Convert to fraction form
    3,911.49/5,856.90 = 2,742.93/x
  3. Step 3: Cross multiply
    3,911.49x = 5,856.90 × 2,742.93
  4. Step 4: Simplify right side
    3,911.49x = 16,065,066.72
  5. Step 5: Solve for x
    x = 16,065,066.72/3,911.49
  6. Step 6: Final answer
    x = 4,107.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.