Home / 3,141.32-4,335.14-1,725.05

Finding the Fourth Proportional to 3,141.32, 4,335.14 and 1,725.05

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Solution

The fourth proportional to 3,141.32, 4,335.14 and 1,725.05 is: 2,380.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,141.32 : 4,335.14 = 1,725.05 : x
  2. Step 2: Convert to fraction form
    3,141.32/4,335.14 = 1,725.05/x
  3. Step 3: Cross multiply
    3,141.32x = 4,335.14 × 1,725.05
  4. Step 4: Simplify right side
    3,141.32x = 7,478,348.41
  5. Step 5: Solve for x
    x = 7,478,348.41/3,141.32
  6. Step 6: Final answer
    x = 2,380.64

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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.