Home / 3,142.82-4,334.66-2,303.21

Finding the Fourth Proportional to 3,142.82, 4,334.66 and 2,303.21

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Solution

The fourth proportional to 3,142.82, 4,334.66 and 2,303.21 is: 3,176.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,142.82 : 4,334.66 = 2,303.21 : x
  2. Step 2: Convert to fraction form
    3,142.82/4,334.66 = 2,303.21/x
  3. Step 3: Cross multiply
    3,142.82x = 4,334.66 × 2,303.21
  4. Step 4: Simplify right side
    3,142.82x = 9,983,632.26
  5. Step 5: Solve for x
    x = 9,983,632.26/3,142.82
  6. Step 6: Final answer
    x = 3,176.65

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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.