Home / 3,051.91-4,211.96-1,856.99

Finding the Fourth Proportional to 3,051.91, 4,211.96 and 1,856.99

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Solution

The fourth proportional to 3,051.91, 4,211.96 and 1,856.99 is: 2,562.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,051.91 : 4,211.96 = 1,856.99 : x
  2. Step 2: Convert to fraction form
    3,051.91/4,211.96 = 1,856.99/x
  3. Step 3: Cross multiply
    3,051.91x = 4,211.96 × 1,856.99
  4. Step 4: Simplify right side
    3,051.91x = 7,821,545.15
  5. Step 5: Solve for x
    x = 7,821,545.15/3,051.91
  6. Step 6: Final answer
    x = 2,562.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.