Home / 3,243-4,475.19-1,826.91

Finding the Fourth Proportional to 3,243, 4,475.19 and 1,826.91

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Solution

The fourth proportional to 3,243, 4,475.19 and 1,826.91 is: 2,521.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,243 : 4,475.19 = 1,826.91 : x
  2. Step 2: Convert to fraction form
    3,243/4,475.19 = 1,826.91/x
  3. Step 3: Cross multiply
    3,243x = 4,475.19 × 1,826.91
  4. Step 4: Simplify right side
    3,243x = 8,175,769.36
  5. Step 5: Solve for x
    x = 8,175,769.36/3,243
  6. Step 6: Final answer
    x = 2,521.05

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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.