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Finding the Fourth Proportional to 3,568.32, 4,924.31 and 1,975.07

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Solution

The fourth proportional to 3,568.32, 4,924.31 and 1,975.07 is: 2,725.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,568.32 : 4,924.31 = 1,975.07 : x
  2. Step 2: Convert to fraction form
    3,568.32/4,924.31 = 1,975.07/x
  3. Step 3: Cross multiply
    3,568.32x = 4,924.31 × 1,975.07
  4. Step 4: Simplify right side
    3,568.32x = 9,725,859.39
  5. Step 5: Solve for x
    x = 9,725,859.39/3,568.32
  6. Step 6: Final answer
    x = 2,725.61

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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.