Home / 3,237.08-4,855.29-1,387.85

Finding the Fourth Proportional to 3,237.08, 4,855.29 and 1,387.85

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Solution

The fourth proportional to 3,237.08, 4,855.29 and 1,387.85 is: 2,081.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,237.08 : 4,855.29 = 1,387.85 : x
  2. Step 2: Convert to fraction form
    3,237.08/4,855.29 = 1,387.85/x
  3. Step 3: Cross multiply
    3,237.08x = 4,855.29 × 1,387.85
  4. Step 4: Simplify right side
    3,237.08x = 6,738,389.95
  5. Step 5: Solve for x
    x = 6,738,389.95/3,237.08
  6. Step 6: Final answer
    x = 2,081.63

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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.