Home / 3,538.54-5,306.28-1,782.46

Finding the Fourth Proportional to 3,538.54, 5,306.28 and 1,782.46

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Solution

The fourth proportional to 3,538.54, 5,306.28 and 1,782.46 is: 2,672.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,538.54 : 5,306.28 = 1,782.46 : x
  2. Step 2: Convert to fraction form
    3,538.54/5,306.28 = 1,782.46/x
  3. Step 3: Cross multiply
    3,538.54x = 5,306.28 × 1,782.46
  4. Step 4: Simplify right side
    3,538.54x = 9,458,231.85
  5. Step 5: Solve for x
    x = 9,458,231.85/3,538.54
  6. Step 6: Final answer
    x = 2,672.92

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1.5x scale

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.