Home / 3,321.75-4,584.83-1,925.31

Finding the Fourth Proportional to 3,321.75, 4,584.83 and 1,925.31

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Solution

The fourth proportional to 3,321.75, 4,584.83 and 1,925.31 is: 2,657.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321.75 : 4,584.83 = 1,925.31 : x
  2. Step 2: Convert to fraction form
    3,321.75/4,584.83 = 1,925.31/x
  3. Step 3: Cross multiply
    3,321.75x = 4,584.83 × 1,925.31
  4. Step 4: Simplify right side
    3,321.75x = 8,827,209.42
  5. Step 5: Solve for x
    x = 8,827,209.42/3,321.75
  6. Step 6: Final answer
    x = 2,657.40

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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.