Home / 3,557.09-5,332.38-1,216.65

Finding the Fourth Proportional to 3,557.09, 5,332.38 and 1,216.65

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Solution

The fourth proportional to 3,557.09, 5,332.38 and 1,216.65 is: 1,823.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,557.09 : 5,332.38 = 1,216.65 : x
  2. Step 2: Convert to fraction form
    3,557.09/5,332.38 = 1,216.65/x
  3. Step 3: Cross multiply
    3,557.09x = 5,332.38 × 1,216.65
  4. Step 4: Simplify right side
    3,557.09x = 6,487,640.13
  5. Step 5: Solve for x
    x = 6,487,640.13/3,557.09
  6. Step 6: Final answer
    x = 1,823.86

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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.