Home / 3,237.08-4,855.70-928.60

Finding the Fourth Proportional to 3,237.08, 4,855.70 and 928.60

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Solution

The fourth proportional to 3,237.08, 4,855.70 and 928.60 is: 1,392.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,237.08 : 4,855.70 = 928.60 : x
  2. Step 2: Convert to fraction form
    3,237.08/4,855.70 = 928.60/x
  3. Step 3: Cross multiply
    3,237.08x = 4,855.70 × 928.60
  4. Step 4: Simplify right side
    3,237.08x = 4,509,003.02
  5. Step 5: Solve for x
    x = 4,509,003.02/3,237.08
  6. Step 6: Final answer
    x = 1,392.92

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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.