Home / 3,538.06-5,306.88-1,690.48

Finding the Fourth Proportional to 3,538.06, 5,306.88 and 1,690.48

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Solution

The fourth proportional to 3,538.06, 5,306.88 and 1,690.48 is: 2,535.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,538.06 : 5,306.88 = 1,690.48 : x
  2. Step 2: Convert to fraction form
    3,538.06/5,306.88 = 1,690.48/x
  3. Step 3: Cross multiply
    3,538.06x = 5,306.88 × 1,690.48
  4. Step 4: Simplify right side
    3,538.06x = 8,971,174.50
  5. Step 5: Solve for x
    x = 8,971,174.50/3,538.06
  6. Step 6: Final answer
    x = 2,535.62

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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.