Home / 3,543.75-5,318.06-1,235.25

Finding the Fourth Proportional to 3,543.75, 5,318.06 and 1,235.25

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Solution

The fourth proportional to 3,543.75, 5,318.06 and 1,235.25 is: 1,853.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,543.75 : 5,318.06 = 1,235.25 : x
  2. Step 2: Convert to fraction form
    3,543.75/5,318.06 = 1,235.25/x
  3. Step 3: Cross multiply
    3,543.75x = 5,318.06 × 1,235.25
  4. Step 4: Simplify right side
    3,543.75x = 6,569,127.44
  5. Step 5: Solve for x
    x = 6,569,127.44/3,543.75
  6. Step 6: Final answer
    x = 1,853.72

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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.