Home / 3,790.14-5,230.40-2,217.93

Finding the Fourth Proportional to 3,790.14, 5,230.40 and 2,217.93

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Solution

The fourth proportional to 3,790.14, 5,230.40 and 2,217.93 is: 3,060.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,790.14 : 5,230.40 = 2,217.93 : x
  2. Step 2: Convert to fraction form
    3,790.14/5,230.40 = 2,217.93/x
  3. Step 3: Cross multiply
    3,790.14x = 5,230.40 × 2,217.93
  4. Step 4: Simplify right side
    3,790.14x = 11,600,649.98
  5. Step 5: Solve for x
    x = 11,600,649.98/3,790.14
  6. Step 6: Final answer
    x = 3,060.74

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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.