Home / 3,141.81-4,333.29-2,302.21

Finding the Fourth Proportional to 3,141.81, 4,333.29 and 2,302.21

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Solution

The fourth proportional to 3,141.81, 4,333.29 and 2,302.21 is: 3,175.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,141.81 : 4,333.29 = 2,302.21 : x
  2. Step 2: Convert to fraction form
    3,141.81/4,333.29 = 2,302.21/x
  3. Step 3: Cross multiply
    3,141.81x = 4,333.29 × 2,302.21
  4. Step 4: Simplify right side
    3,141.81x = 9,976,143.57
  5. Step 5: Solve for x
    x = 9,976,143.57/3,141.81
  6. Step 6: Final answer
    x = 3,175.29

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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.