Home / 3,557.25-5,336.69-1,248.75

Finding the Fourth Proportional to 3,557.25, 5,336.69 and 1,248.75

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Solution

The fourth proportional to 3,557.25, 5,336.69 and 1,248.75 is: 1,873.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,557.25 : 5,336.69 = 1,248.75 : x
  2. Step 2: Convert to fraction form
    3,557.25/5,336.69 = 1,248.75/x
  3. Step 3: Cross multiply
    3,557.25x = 5,336.69 × 1,248.75
  4. Step 4: Simplify right side
    3,557.25x = 6,664,185.39
  5. Step 5: Solve for x
    x = 6,664,185.39/3,557.25
  6. Step 6: Final answer
    x = 1,873.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.