Home / 3,548.68-5,321.10-1,357.96

Finding the Fourth Proportional to 3,548.68, 5,321.10 and 1,357.96

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Solution

The fourth proportional to 3,548.68, 5,321.10 and 1,357.96 is: 2,036.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,548.68 : 5,321.10 = 1,357.96 : x
  2. Step 2: Convert to fraction form
    3,548.68/5,321.10 = 1,357.96/x
  3. Step 3: Cross multiply
    3,548.68x = 5,321.10 × 1,357.96
  4. Step 4: Simplify right side
    3,548.68x = 7,225,840.96
  5. Step 5: Solve for x
    x = 7,225,840.96/3,548.68
  6. Step 6: Final answer
    x = 2,036.21

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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.