Home / 3,143.21-4,335.53-2,395.44

Finding the Fourth Proportional to 3,143.21, 4,335.53 and 2,395.44

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Solution

The fourth proportional to 3,143.21, 4,335.53 and 2,395.44 is: 3,304.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143.21 : 4,335.53 = 2,395.44 : x
  2. Step 2: Convert to fraction form
    3,143.21/4,335.53 = 2,395.44/x
  3. Step 3: Cross multiply
    3,143.21x = 4,335.53 × 2,395.44
  4. Step 4: Simplify right side
    3,143.21x = 10,385,490.01
  5. Step 5: Solve for x
    x = 10,385,490.01/3,143.21
  6. Step 6: Final answer
    x = 3,304.11

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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.