Home / 3,141.37-4,335.14-1,725.19

Finding the Fourth Proportional to 3,141.37, 4,335.14 and 1,725.19

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Solution

The fourth proportional to 3,141.37, 4,335.14 and 1,725.19 is: 2,380.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,141.37 : 4,335.14 = 1,725.19 : x
  2. Step 2: Convert to fraction form
    3,141.37/4,335.14 = 1,725.19/x
  3. Step 3: Cross multiply
    3,141.37x = 4,335.14 × 1,725.19
  4. Step 4: Simplify right side
    3,141.37x = 7,478,940.18
  5. Step 5: Solve for x
    x = 7,478,940.18/3,141.37
  6. Step 6: Final answer
    x = 2,380.79

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Half scale
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Double scale
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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.