Home / 3,364.96-4,643.52-1,872.78

Finding the Fourth Proportional to 3,364.96, 4,643.52 and 1,872.78

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Solution

The fourth proportional to 3,364.96, 4,643.52 and 1,872.78 is: 2,584.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,364.96 : 4,643.52 = 1,872.78 : x
  2. Step 2: Convert to fraction form
    3,364.96/4,643.52 = 1,872.78/x
  3. Step 3: Cross multiply
    3,364.96x = 4,643.52 × 1,872.78
  4. Step 4: Simplify right side
    3,364.96x = 8,696,291.39
  5. Step 5: Solve for x
    x = 8,696,291.39/3,364.96
  6. Step 6: Final answer
    x = 2,584.37

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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.