Home / 3,243.81-4,472.30-2,488.44

Finding the Fourth Proportional to 3,243.81, 4,472.30 and 2,488.44

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Solution

The fourth proportional to 3,243.81, 4,472.30 and 2,488.44 is: 3,430.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,243.81 : 4,472.30 = 2,488.44 : x
  2. Step 2: Convert to fraction form
    3,243.81/4,472.30 = 2,488.44/x
  3. Step 3: Cross multiply
    3,243.81x = 4,472.30 × 2,488.44
  4. Step 4: Simplify right side
    3,243.81x = 11,129,050.21
  5. Step 5: Solve for x
    x = 11,129,050.21/3,243.81
  6. Step 6: Final answer
    x = 3,430.86

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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.