Home / 3,549.78-5,323.86-1,357.38

Finding the Fourth Proportional to 3,549.78, 5,323.86 and 1,357.38

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Solution

The fourth proportional to 3,549.78, 5,323.86 and 1,357.38 is: 2,035.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,549.78 : 5,323.86 = 1,357.38 : x
  2. Step 2: Convert to fraction form
    3,549.78/5,323.86 = 1,357.38/x
  3. Step 3: Cross multiply
    3,549.78x = 5,323.86 × 1,357.38
  4. Step 4: Simplify right side
    3,549.78x = 7,226,501.09
  5. Step 5: Solve for x
    x = 7,226,501.09/3,549.78
  6. Step 6: Final answer
    x = 2,035.76

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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.