Home / 3,538.08-5,308.74-1,347.30

Finding the Fourth Proportional to 3,538.08, 5,308.74 and 1,347.30

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Solution

The fourth proportional to 3,538.08, 5,308.74 and 1,347.30 is: 2,021.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,538.08 : 5,308.74 = 1,347.30 : x
  2. Step 2: Convert to fraction form
    3,538.08/5,308.74 = 1,347.30/x
  3. Step 3: Cross multiply
    3,538.08x = 5,308.74 × 1,347.30
  4. Step 4: Simplify right side
    3,538.08x = 7,152,465.40
  5. Step 5: Solve for x
    x = 7,152,465.40/3,538.08
  6. Step 6: Final answer
    x = 2,021.57

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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.