Home / 3,574.18-4,930.70-2,379.77

Finding the Fourth Proportional to 3,574.18, 4,930.70 and 2,379.77

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Solution

The fourth proportional to 3,574.18, 4,930.70 and 2,379.77 is: 3,282.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,574.18 : 4,930.70 = 2,379.77 : x
  2. Step 2: Convert to fraction form
    3,574.18/4,930.70 = 2,379.77/x
  3. Step 3: Cross multiply
    3,574.18x = 4,930.70 × 2,379.77
  4. Step 4: Simplify right side
    3,574.18x = 11,733,931.94
  5. Step 5: Solve for x
    x = 11,733,931.94/3,574.18
  6. Step 6: Final answer
    x = 3,282.97

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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.