Home / 3,143.16-4,334.58-2,395.80

Finding the Fourth Proportional to 3,143.16, 4,334.58 and 2,395.80

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Solution

The fourth proportional to 3,143.16, 4,334.58 and 2,395.80 is: 3,303.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143.16 : 4,334.58 = 2,395.80 : x
  2. Step 2: Convert to fraction form
    3,143.16/4,334.58 = 2,395.80/x
  3. Step 3: Cross multiply
    3,143.16x = 4,334.58 × 2,395.80
  4. Step 4: Simplify right side
    3,143.16x = 10,384,786.76
  5. Step 5: Solve for x
    x = 10,384,786.76/3,143.16
  6. Step 6: Final answer
    x = 3,303.93

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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.