Home / 3,142.09-4,336.14-1,725.91

Finding the Fourth Proportional to 3,142.09, 4,336.14 and 1,725.91

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Solution

The fourth proportional to 3,142.09, 4,336.14 and 1,725.91 is: 2,381.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,142.09 : 4,336.14 = 1,725.91 : x
  2. Step 2: Convert to fraction form
    3,142.09/4,336.14 = 1,725.91/x
  3. Step 3: Cross multiply
    3,142.09x = 4,336.14 × 1,725.91
  4. Step 4: Simplify right side
    3,142.09x = 7,483,787.39
  5. Step 5: Solve for x
    x = 7,483,787.39/3,142.09
  6. Step 6: Final answer
    x = 2,381.79

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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.