Home / 3,538.12-5,281.49-3,079.24

Finding the Fourth Proportional to 3,538.12, 5,281.49 and 3,079.24

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Solution

The fourth proportional to 3,538.12, 5,281.49 and 3,079.24 is: 4,596.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,538.12 : 5,281.49 = 3,079.24 : x
  2. Step 2: Convert to fraction form
    3,538.12/5,281.49 = 3,079.24/x
  3. Step 3: Cross multiply
    3,538.12x = 5,281.49 × 3,079.24
  4. Step 4: Simplify right side
    3,538.12x = 16,262,975.27
  5. Step 5: Solve for x
    x = 16,262,975.27/3,538.12
  6. Step 6: Final answer
    x = 4,596.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.