Home / 3,557.12-5,335.07-1,364.72

Finding the Fourth Proportional to 3,557.12, 5,335.07 and 1,364.72

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Solution

The fourth proportional to 3,557.12, 5,335.07 and 1,364.72 is: 2,046.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,557.12 : 5,335.07 = 1,364.72 : x
  2. Step 2: Convert to fraction form
    3,557.12/5,335.07 = 1,364.72/x
  3. Step 3: Cross multiply
    3,557.12x = 5,335.07 × 1,364.72
  4. Step 4: Simplify right side
    3,557.12x = 7,280,843.23
  5. Step 5: Solve for x
    x = 7,280,843.23/3,557.12
  6. Step 6: Final answer
    x = 2,046.84

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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.