Home / 3,236.69-4,856.67-1,387.30

Finding the Fourth Proportional to 3,236.69, 4,856.67 and 1,387.30

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Solution

The fourth proportional to 3,236.69, 4,856.67 and 1,387.30 is: 2,081.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,236.69 : 4,856.67 = 1,387.30 : x
  2. Step 2: Convert to fraction form
    3,236.69/4,856.67 = 1,387.30/x
  3. Step 3: Cross multiply
    3,236.69x = 4,856.67 × 1,387.30
  4. Step 4: Simplify right side
    3,236.69x = 6,737,658.29
  5. Step 5: Solve for x
    x = 6,737,658.29/3,236.69
  6. Step 6: Final answer
    x = 2,081.65

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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.