Home / 3,141.46-4,335.13-1,725.08

Finding the Fourth Proportional to 3,141.46, 4,335.13 and 1,725.08

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Solution

The fourth proportional to 3,141.46, 4,335.13 and 1,725.08 is: 2,380.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,141.46 : 4,335.13 = 1,725.08 : x
  2. Step 2: Convert to fraction form
    3,141.46/4,335.13 = 1,725.08/x
  3. Step 3: Cross multiply
    3,141.46x = 4,335.13 × 1,725.08
  4. Step 4: Simplify right side
    3,141.46x = 7,478,446.06
  5. Step 5: Solve for x
    x = 7,478,446.06/3,141.46
  6. Step 6: Final answer
    x = 2,380.56

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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.