Home / 2,421.66-3,622.77-1,935.66

Finding the Fourth Proportional to 2,421.66, 3,622.77 and 1,935.66

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Solution

The fourth proportional to 2,421.66, 3,622.77 and 1,935.66 is: 2,895.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,421.66 : 3,622.77 = 1,935.66 : x
  2. Step 2: Convert to fraction form
    2,421.66/3,622.77 = 1,935.66/x
  3. Step 3: Cross multiply
    2,421.66x = 3,622.77 × 1,935.66
  4. Step 4: Simplify right side
    2,421.66x = 7,012,450.98
  5. Step 5: Solve for x
    x = 7,012,450.98/2,421.66
  6. Step 6: Final answer
    x = 2,895.72

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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.